90739180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1747}}^1$

素因数の和:1823

約数の個数: 72

約数和(自身を含む): 225974448

約数和(自身を除く): 135235268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1747, 1855, 2597, 3494, 3710, 5194, 6988, 7420, 8735, 10388, 12229, 12985, 17470, 24458, 25970, 34940, 48916, 51940, 61145, 85603, 92591, 122290, 171206, 185182, 244580, 342412, 370364, 428015, 462955, 648137, 856030, 925910, 1296274, 1712060, 1851820, 2592548, 3240685, 4536959, 6481370, 9073918, 12962740, 18147836, 22684795, 45369590, 90739180]

約数ペア:

[(1, 90739180), (2, 45369590), (4, 22684795), (5, 18147836), (7, 12962740), (10, 9073918), (14, 6481370), (20, 4536959), (28, 3240685), (35, 2592548), (49, 1851820), (53, 1712060), (70, 1296274), (98, 925910), (106, 856030), (140, 648137), (196, 462955), (212, 428015), (245, 370364), (265, 342412), (371, 244580), (490, 185182), (530, 171206), (742, 122290), (980, 92591), (1060, 85603), (1484, 61145), (1747, 51940), (1855, 48916), (2597, 34940), (3494, 25970), (3710, 24458), (5194, 17470), (6988, 12985), (7420, 12229), (8735, 10388)]