127478980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3257}}^1$

素因数の和:3388

約数の個数: 48

約数和(自身を含む): 284618880

約数和(自身を除く): 157139900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 3257, 3914, 6514, 7828, 9785, 13028, 16285, 19570, 32570, 39140, 61883, 65140, 123766, 247532, 309415, 335471, 618830, 670942, 1237660, 1341884, 1677355, 3354710, 6373949, 6709420, 12747898, 25495796, 31869745, 63739490, 127478980]

約数ペア:

[(1, 127478980), (2, 63739490), (4, 31869745), (5, 25495796), (10, 12747898), (19, 6709420), (20, 6373949), (38, 3354710), (76, 1677355), (95, 1341884), (103, 1237660), (190, 670942), (206, 618830), (380, 335471), (412, 309415), (515, 247532), (1030, 123766), (1957, 65140), (2060, 61883), (3257, 39140), (3914, 32570), (6514, 19570), (7828, 16285), (9785, 13028)]