208679940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5711}}^1$

素因数の和:5762

約数の個数: 144

約数和(自身を含む): 748500480

約数和(自身を除く): 539820540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 2030, 2436, 2610, 3045, 3654, 4060, 5220, 5711, 6090, 7308, 9135, 11422, 12180, 17133, 18270, 22844, 28555, 34266, 36540, 39977, 51399, 57110, 68532, 79954, 85665, 102798, 114220, 119931, 159908, 165619, 171330, 199885, 205596, 239862, 256995, 331238, 342660, 359793, 399770, 479724, 496857, 513990, 599655, 662476, 719586, 799540, 828095, 993714, 1027980, 1159333, 1199310, 1439172, 1490571, 1656190, 1798965, 1987428, 2318666, 2398620, 2484285, 2981142, 3312380, 3477999, 3597930, 4637332, 4968570, 5796665, 5962284, 6955998, 7195860, 7452855, 9937140, 10433997, 11593330, 13911996, 14905710, 17389995, 20867994, 23186660, 29811420, 34779990, 41735988, 52169985, 69559980, 104339970, 208679940]

約数ペア:

[(1, 208679940), (2, 104339970), (3, 69559980), (4, 52169985), (5, 41735988), (6, 34779990), (7, 29811420), (9, 23186660), (10, 20867994), (12, 17389995), (14, 14905710), (15, 13911996), (18, 11593330), (20, 10433997), (21, 9937140), (28, 7452855), (29, 7195860), (30, 6955998), (35, 5962284), (36, 5796665), (42, 4968570), (45, 4637332), (58, 3597930), (60, 3477999), (63, 3312380), (70, 2981142), (84, 2484285), (87, 2398620), (90, 2318666), (105, 1987428), (116, 1798965), (126, 1656190), (140, 1490571), (145, 1439172), (174, 1199310), (180, 1159333), (203, 1027980), (210, 993714), (252, 828095), (261, 799540), (290, 719586), (315, 662476), (348, 599655), (406, 513990), (420, 496857), (435, 479724), (522, 399770), (580, 359793), (609, 342660), (630, 331238), (812, 256995), (870, 239862), (1015, 205596), (1044, 199885), (1218, 171330), (1260, 165619), (1305, 159908), (1740, 119931), (1827, 114220), (2030, 102798), (2436, 85665), (2610, 79954), (3045, 68532), (3654, 57110), (4060, 51399), (5220, 39977), (5711, 36540), (6090, 34266), (7308, 28555), (9135, 22844), (11422, 18270), (12180, 17133)]