203421790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7487}}^1$

素因数の和:7537

約数の個数: 64

約数和(自身を含む): 452874240

約数和(自身を除く): 249452450

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 1045, 1235, 1430, 2090, 2470, 2717, 5434, 7487, 13585, 14974, 27170, 37435, 74870, 82357, 97331, 142253, 164714, 194662, 284506, 411785, 486655, 711265, 823570, 973310, 1070641, 1422530, 1564783, 1849289, 2141282, 3129566, 3698578, 5353205, 7823915, 9246445, 10706410, 15647830, 18492890, 20342179, 40684358, 101710895, 203421790]

約数ペア:

[(1, 203421790), (2, 101710895), (5, 40684358), (10, 20342179), (11, 18492890), (13, 15647830), (19, 10706410), (22, 9246445), (26, 7823915), (38, 5353205), (55, 3698578), (65, 3129566), (95, 2141282), (110, 1849289), (130, 1564783), (143, 1422530), (190, 1070641), (209, 973310), (247, 823570), (286, 711265), (418, 486655), (494, 411785), (715, 284506), (1045, 194662), (1235, 164714), (1430, 142253), (2090, 97331), (2470, 82357), (2717, 74870), (5434, 37435), (7487, 27170), (13585, 14974)]