402557260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 992839680

約数和(自身を除く): 590282420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 227, 239, 265, 371, 454, 478, 530, 742, 908, 956, 1060, 1135, 1195, 1484, 1589, 1673, 1855, 2270, 2390, 3178, 3346, 3710, 4540, 4780, 6356, 6692, 7420, 7945, 8365, 12031, 12667, 15890, 16730, 24062, 25334, 31780, 33460, 48124, 50668, 54253, 60155, 63335, 84217, 88669, 108506, 120310, 126670, 168434, 177338, 217012, 240620, 253340, 271265, 336868, 354676, 379771, 421085, 443345, 542530, 759542, 842170, 886690, 1085060, 1519084, 1684340, 1773380, 1898855, 2875409, 3797710, 5750818, 7595420, 11501636, 14377045, 20127863, 28754090, 40255726, 57508180, 80511452, 100639315, 201278630, 402557260]

約数ペア:

[(1, 402557260), (2, 201278630), (4, 100639315), (5, 80511452), (7, 57508180), (10, 40255726), (14, 28754090), (20, 20127863), (28, 14377045), (35, 11501636), (53, 7595420), (70, 5750818), (106, 3797710), (140, 2875409), (212, 1898855), (227, 1773380), (239, 1684340), (265, 1519084), (371, 1085060), (454, 886690), (478, 842170), (530, 759542), (742, 542530), (908, 443345), (956, 421085), (1060, 379771), (1135, 354676), (1195, 336868), (1484, 271265), (1589, 253340), (1673, 240620), (1855, 217012), (2270, 177338), (2390, 168434), (3178, 126670), (3346, 120310), (3710, 108506), (4540, 88669), (4780, 84217), (6356, 63335), (6692, 60155), (7420, 54253), (7945, 50668), (8365, 48124), (12031, 33460), (12667, 31780), (15890, 25334), (16730, 24062)]