208050920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2239

約数の個数: 128

約数和(自身を含む): 602726400

約数和(自身を除く): 394675480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1736, 2170, 2179, 2387, 2728, 3080, 3410, 4340, 4358, 4774, 6820, 8680, 8716, 9548, 10895, 11935, 13640, 15253, 17432, 19096, 21790, 23870, 23969, 30506, 43580, 47740, 47938, 61012, 67549, 76265, 87160, 95480, 95876, 119845, 122024, 135098, 152530, 167783, 191752, 239690, 270196, 305060, 335566, 337745, 472843, 479380, 540392, 610120, 671132, 675490, 743039, 838915, 945686, 958760, 1342264, 1350980, 1486078, 1677830, 1891372, 2364215, 2701960, 2972156, 3355660, 3715195, 3782744, 4728430, 5201273, 5944312, 6711320, 7430390, 9456860, 10402546, 14860780, 18913720, 20805092, 26006365, 29721560, 41610184, 52012730, 104025460, 208050920]

約数ペア:

[(1, 208050920), (2, 104025460), (4, 52012730), (5, 41610184), (7, 29721560), (8, 26006365), (10, 20805092), (11, 18913720), (14, 14860780), (20, 10402546), (22, 9456860), (28, 7430390), (31, 6711320), (35, 5944312), (40, 5201273), (44, 4728430), (55, 3782744), (56, 3715195), (62, 3355660), (70, 2972156), (77, 2701960), (88, 2364215), (110, 1891372), (124, 1677830), (140, 1486078), (154, 1350980), (155, 1342264), (217, 958760), (220, 945686), (248, 838915), (280, 743039), (308, 675490), (310, 671132), (341, 610120), (385, 540392), (434, 479380), (440, 472843), (616, 337745), (620, 335566), (682, 305060), (770, 270196), (868, 239690), (1085, 191752), (1240, 167783), (1364, 152530), (1540, 135098), (1705, 122024), (1736, 119845), (2170, 95876), (2179, 95480), (2387, 87160), (2728, 76265), (3080, 67549), (3410, 61012), (4340, 47938), (4358, 47740), (4774, 43580), (6820, 30506), (8680, 23969), (8716, 23870), (9548, 21790), (10895, 19096), (11935, 17432), (13640, 15253)]