28355320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 192

約数和(自身を含む): 84214080

約数和(自身を除く): 55858760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 37, 40, 46, 49, 56, 68, 70, 74, 85, 92, 98, 115, 119, 136, 140, 148, 161, 170, 184, 185, 196, 230, 238, 245, 259, 280, 296, 322, 340, 370, 391, 392, 460, 476, 490, 518, 595, 629, 644, 680, 740, 782, 805, 833, 851, 920, 952, 980, 1036, 1127, 1190, 1258, 1288, 1295, 1480, 1564, 1610, 1666, 1702, 1813, 1955, 1960, 2072, 2254, 2380, 2516, 2590, 2737, 3128, 3145, 3220, 3332, 3404, 3626, 3910, 4165, 4255, 4403, 4508, 4760, 5032, 5180, 5474, 5635, 5957, 6290, 6440, 6664, 6808, 7252, 7820, 8330, 8510, 8806, 9016, 9065, 10360, 10948, 11270, 11914, 12580, 13685, 14467, 14504, 15640, 16660, 17020, 17612, 18130, 19159, 21896, 22015, 22540, 23828, 25160, 27370, 28934, 29785, 30821, 33320, 34040, 35224, 36260, 38318, 41699, 44030, 45080, 47656, 54740, 57868, 59570, 61642, 72335, 72520, 76636, 83398, 88060, 95795, 101269, 109480, 115736, 119140, 123284, 144670, 153272, 154105, 166796, 176120, 191590, 202538, 208495, 238280, 246568, 289340, 308210, 333592, 383180, 405076, 416990, 506345, 578680, 616420, 708883, 766360, 810152, 833980, 1012690, 1232840, 1417766, 1667960, 2025380, 2835532, 3544415, 4050760, 5671064, 7088830, 14177660, 28355320]

約数ペア:

[(1, 28355320), (2, 14177660), (4, 7088830), (5, 5671064), (7, 4050760), (8, 3544415), (10, 2835532), (14, 2025380), (17, 1667960), (20, 1417766), (23, 1232840), (28, 1012690), (34, 833980), (35, 810152), (37, 766360), (40, 708883), (46, 616420), (49, 578680), (56, 506345), (68, 416990), (70, 405076), (74, 383180), (85, 333592), (92, 308210), (98, 289340), (115, 246568), (119, 238280), (136, 208495), (140, 202538), (148, 191590), (161, 176120), (170, 166796), (184, 154105), (185, 153272), (196, 144670), (230, 123284), (238, 119140), (245, 115736), (259, 109480), (280, 101269), (296, 95795), (322, 88060), (340, 83398), (370, 76636), (391, 72520), (392, 72335), (460, 61642), (476, 59570), (490, 57868), (518, 54740), (595, 47656), (629, 45080), (644, 44030), (680, 41699), (740, 38318), (782, 36260), (805, 35224), (833, 34040), (851, 33320), (920, 30821), (952, 29785), (980, 28934), (1036, 27370), (1127, 25160), (1190, 23828), (1258, 22540), (1288, 22015), (1295, 21896), (1480, 19159), (1564, 18130), (1610, 17612), (1666, 17020), (1702, 16660), (1813, 15640), (1955, 14504), (1960, 14467), (2072, 13685), (2254, 12580), (2380, 11914), (2516, 11270), (2590, 10948), (2737, 10360), (3128, 9065), (3145, 9016), (3220, 8806), (3332, 8510), (3404, 8330), (3626, 7820), (3910, 7252), (4165, 6808), (4255, 6664), (4403, 6440), (4508, 6290), (4760, 5957), (5032, 5635), (5180, 5474)]