28930440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 256

約数和(自身を含む): 112803840

約数和(自身を除く): 83873400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 101, 105, 110, 120, 124, 132, 140, 154, 155, 165, 168, 186, 202, 210, 217, 220, 231, 248, 264, 280, 303, 308, 310, 330, 341, 372, 385, 404, 420, 434, 440, 462, 465, 505, 606, 616, 620, 651, 660, 682, 707, 744, 770, 808, 840, 868, 924, 930, 1010, 1023, 1085, 1111, 1155, 1212, 1240, 1302, 1320, 1364, 1414, 1515, 1540, 1705, 1736, 1848, 1860, 2020, 2046, 2121, 2170, 2222, 2310, 2387, 2424, 2604, 2728, 2828, 3030, 3080, 3131, 3255, 3333, 3410, 3535, 3720, 4040, 4092, 4242, 4340, 4444, 4620, 4774, 5115, 5208, 5555, 5656, 6060, 6262, 6510, 6666, 6820, 7070, 7161, 7777, 8184, 8484, 8680, 8888, 9240, 9393, 9548, 10230, 10605, 11110, 11935, 12120, 12524, 13020, 13332, 13640, 14140, 14322, 15554, 15655, 16665, 16968, 18786, 19096, 20460, 21210, 21917, 22220, 23331, 23870, 25048, 26040, 26664, 28280, 28644, 31108, 31310, 33330, 34441, 35805, 37572, 38885, 40920, 42420, 43834, 44440, 46662, 46965, 47740, 57288, 62216, 62620, 65751, 66660, 68882, 71610, 75144, 77770, 84840, 87668, 93324, 93930, 95480, 103323, 109585, 116655, 125240, 131502, 133320, 137764, 143220, 155540, 172205, 175336, 186648, 187860, 206646, 219170, 233310, 241087, 263004, 275528, 286440, 311080, 328755, 344410, 375720, 413292, 438340, 466620, 482174, 516615, 526008, 657510, 688820, 723261, 826584, 876680, 933240, 964348, 1033230, 1205435, 1315020, 1377640, 1446522, 1928696, 2066460, 2410870, 2630040, 2893044, 3616305, 4132920, 4821740, 5786088, 7232610, 9643480, 14465220, 28930440]

約数ペア:

[(1, 28930440), (2, 14465220), (3, 9643480), (4, 7232610), (5, 5786088), (6, 4821740), (7, 4132920), (8, 3616305), (10, 2893044), (11, 2630040), (12, 2410870), (14, 2066460), (15, 1928696), (20, 1446522), (21, 1377640), (22, 1315020), (24, 1205435), (28, 1033230), (30, 964348), (31, 933240), (33, 876680), (35, 826584), (40, 723261), (42, 688820), (44, 657510), (55, 526008), (56, 516615), (60, 482174), (62, 466620), (66, 438340), (70, 413292), (77, 375720), (84, 344410), (88, 328755), (93, 311080), (101, 286440), (105, 275528), (110, 263004), (120, 241087), (124, 233310), (132, 219170), (140, 206646), (154, 187860), (155, 186648), (165, 175336), (168, 172205), (186, 155540), (202, 143220), (210, 137764), (217, 133320), (220, 131502), (231, 125240), (248, 116655), (264, 109585), (280, 103323), (303, 95480), (308, 93930), (310, 93324), (330, 87668), (341, 84840), (372, 77770), (385, 75144), (404, 71610), (420, 68882), (434, 66660), (440, 65751), (462, 62620), (465, 62216), (505, 57288), (606, 47740), (616, 46965), (620, 46662), (651, 44440), (660, 43834), (682, 42420), (707, 40920), (744, 38885), (770, 37572), (808, 35805), (840, 34441), (868, 33330), (924, 31310), (930, 31108), (1010, 28644), (1023, 28280), (1085, 26664), (1111, 26040), (1155, 25048), (1212, 23870), (1240, 23331), (1302, 22220), (1320, 21917), (1364, 21210), (1414, 20460), (1515, 19096), (1540, 18786), (1705, 16968), (1736, 16665), (1848, 15655), (1860, 15554), (2020, 14322), (2046, 14140), (2121, 13640), (2170, 13332), (2222, 13020), (2310, 12524), (2387, 12120), (2424, 11935), (2604, 11110), (2728, 10605), (2828, 10230), (3030, 9548), (3080, 9393), (3131, 9240), (3255, 8888), (3333, 8680), (3410, 8484), (3535, 8184), (3720, 7777), (4040, 7161), (4092, 7070), (4242, 6820), (4340, 6666), (4444, 6510), (4620, 6262), (4774, 6060), (5115, 5656), (5208, 5555)]