210997360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{653}}^1$

素因数の和:1250

約数の個数: 80

約数和(自身を含む): 562481856

約数和(自身を除く): 351484496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 577, 653, 1154, 1306, 2308, 2612, 2885, 3265, 4039, 4571, 4616, 5224, 5770, 6530, 8078, 9142, 9232, 10448, 11540, 13060, 16156, 18284, 20195, 22855, 23080, 26120, 32312, 36568, 40390, 45710, 46160, 52240, 64624, 73136, 80780, 91420, 161560, 182840, 323120, 365680, 376781, 753562, 1507124, 1883905, 2637467, 3014248, 3767810, 5274934, 6028496, 7535620, 10549868, 13187335, 15071240, 21099736, 26374670, 30142480, 42199472, 52749340, 105498680, 210997360]

約数ペア:

[(1, 210997360), (2, 105498680), (4, 52749340), (5, 42199472), (7, 30142480), (8, 26374670), (10, 21099736), (14, 15071240), (16, 13187335), (20, 10549868), (28, 7535620), (35, 6028496), (40, 5274934), (56, 3767810), (70, 3014248), (80, 2637467), (112, 1883905), (140, 1507124), (280, 753562), (560, 376781), (577, 365680), (653, 323120), (1154, 182840), (1306, 161560), (2308, 91420), (2612, 80780), (2885, 73136), (3265, 64624), (4039, 52240), (4571, 46160), (4616, 45710), (5224, 40390), (5770, 36568), (6530, 32312), (8078, 26120), (9142, 23080), (9232, 22855), (10448, 20195), (11540, 18284), (13060, 16156)]