28977260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1889}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 66679200

約数和(自身を除く): 37701940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 1889, 3068, 3778, 3835, 7556, 7670, 9445, 15340, 18890, 24557, 37780, 49114, 98228, 111451, 122785, 222902, 245570, 445804, 491140, 557255, 1114510, 1448863, 2229020, 2897726, 5795452, 7244315, 14488630, 28977260]

約数ペア:

[(1, 28977260), (2, 14488630), (4, 7244315), (5, 5795452), (10, 2897726), (13, 2229020), (20, 1448863), (26, 1114510), (52, 557255), (59, 491140), (65, 445804), (118, 245570), (130, 222902), (236, 122785), (260, 111451), (295, 98228), (590, 49114), (767, 37780), (1180, 24557), (1534, 18890), (1889, 15340), (3068, 9445), (3778, 7670), (3835, 7556)]