213235960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14369}}^1$

素因数の和:14440

約数の個数: 64

約数和(自身を含む): 558705600

約数和(自身を除く): 345469640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 7420, 14369, 14840, 28738, 57476, 71845, 100583, 114952, 143690, 201166, 287380, 402332, 502915, 574760, 761557, 804664, 1005830, 1523114, 2011660, 3046228, 3807785, 4023320, 5330899, 6092456, 7615570, 10661798, 15231140, 21323596, 26654495, 30462280, 42647192, 53308990, 106617980, 213235960]

約数ペア:

[(1, 213235960), (2, 106617980), (4, 53308990), (5, 42647192), (7, 30462280), (8, 26654495), (10, 21323596), (14, 15231140), (20, 10661798), (28, 7615570), (35, 6092456), (40, 5330899), (53, 4023320), (56, 3807785), (70, 3046228), (106, 2011660), (140, 1523114), (212, 1005830), (265, 804664), (280, 761557), (371, 574760), (424, 502915), (530, 402332), (742, 287380), (1060, 201166), (1484, 143690), (1855, 114952), (2120, 100583), (2968, 71845), (3710, 57476), (7420, 28738), (14369, 14840)]