208649840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 240

約数和(自身を含む): 622888704

約数和(自身を除く): 414238864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 49, 56, 62, 68, 70, 80, 85, 98, 101, 112, 119, 124, 136, 140, 155, 170, 196, 202, 217, 238, 245, 248, 272, 280, 310, 340, 392, 404, 434, 476, 490, 496, 505, 527, 560, 595, 620, 680, 707, 784, 808, 833, 868, 952, 980, 1010, 1054, 1085, 1190, 1240, 1360, 1414, 1519, 1616, 1666, 1717, 1736, 1904, 1960, 2020, 2108, 2170, 2380, 2480, 2635, 2828, 3038, 3131, 3332, 3434, 3472, 3535, 3689, 3920, 4040, 4165, 4216, 4340, 4760, 4949, 5270, 5656, 6076, 6262, 6664, 6868, 7070, 7378, 7595, 8080, 8330, 8432, 8585, 8680, 9520, 9898, 10540, 11312, 12019, 12152, 12524, 13328, 13736, 14140, 14756, 15190, 15655, 16660, 17170, 17360, 18445, 19796, 21080, 21917, 24038, 24304, 24745, 25048, 25823, 27472, 28280, 29512, 30380, 31310, 33320, 34340, 36890, 39592, 42160, 43834, 48076, 49490, 50096, 51646, 53227, 56560, 59024, 60095, 60760, 62620, 66640, 68680, 73780, 79184, 84133, 87668, 96152, 98980, 103292, 106454, 109585, 120190, 121520, 125240, 129115, 137360, 147560, 153419, 168266, 175336, 192304, 197960, 206584, 212908, 219170, 240380, 250480, 258230, 266135, 295120, 306838, 336532, 350672, 372589, 395920, 413168, 420665, 425816, 438340, 480760, 516460, 532270, 613676, 673064, 745178, 767095, 841330, 851632, 876680, 961520, 1032920, 1064540, 1227352, 1346128, 1490356, 1534190, 1682660, 1753360, 1862945, 2065840, 2129080, 2454704, 2608123, 2980712, 3068380, 3365320, 3725890, 4258160, 5216246, 5961424, 6136760, 6730640, 7451780, 10432492, 12273520, 13040615, 14903560, 20864984, 26081230, 29807120, 41729968, 52162460, 104324920, 208649840]

約数ペア:

[(1, 208649840), (2, 104324920), (4, 52162460), (5, 41729968), (7, 29807120), (8, 26081230), (10, 20864984), (14, 14903560), (16, 13040615), (17, 12273520), (20, 10432492), (28, 7451780), (31, 6730640), (34, 6136760), (35, 5961424), (40, 5216246), (49, 4258160), (56, 3725890), (62, 3365320), (68, 3068380), (70, 2980712), (80, 2608123), (85, 2454704), (98, 2129080), (101, 2065840), (112, 1862945), (119, 1753360), (124, 1682660), (136, 1534190), (140, 1490356), (155, 1346128), (170, 1227352), (196, 1064540), (202, 1032920), (217, 961520), (238, 876680), (245, 851632), (248, 841330), (272, 767095), (280, 745178), (310, 673064), (340, 613676), (392, 532270), (404, 516460), (434, 480760), (476, 438340), (490, 425816), (496, 420665), (505, 413168), (527, 395920), (560, 372589), (595, 350672), (620, 336532), (680, 306838), (707, 295120), (784, 266135), (808, 258230), (833, 250480), (868, 240380), (952, 219170), (980, 212908), (1010, 206584), (1054, 197960), (1085, 192304), (1190, 175336), (1240, 168266), (1360, 153419), (1414, 147560), (1519, 137360), (1616, 129115), (1666, 125240), (1717, 121520), (1736, 120190), (1904, 109585), (1960, 106454), (2020, 103292), (2108, 98980), (2170, 96152), (2380, 87668), (2480, 84133), (2635, 79184), (2828, 73780), (3038, 68680), (3131, 66640), (3332, 62620), (3434, 60760), (3472, 60095), (3535, 59024), (3689, 56560), (3920, 53227), (4040, 51646), (4165, 50096), (4216, 49490), (4340, 48076), (4760, 43834), (4949, 42160), (5270, 39592), (5656, 36890), (6076, 34340), (6262, 33320), (6664, 31310), (6868, 30380), (7070, 29512), (7378, 28280), (7595, 27472), (8080, 25823), (8330, 25048), (8432, 24745), (8585, 24304), (8680, 24038), (9520, 21917), (9898, 21080), (10540, 19796), (11312, 18445), (12019, 17360), (12152, 17170), (12524, 16660), (13328, 15655), (13736, 15190), (14140, 14756)]