1900962520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{10973}}^1$

素因数の和:11116

約数の個数: 64

約数和(自身を含む): 4408914240

約数和(自身を除く): 2507951720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 1220, 1420, 2440, 2840, 4331, 8662, 10973, 17324, 21655, 21946, 34648, 43310, 43892, 54865, 86620, 87784, 109730, 173240, 219460, 438920, 669353, 779083, 1338706, 1558166, 2677412, 3116332, 3346765, 3895415, 5354824, 6232664, 6693530, 7790830, 13387060, 15581660, 26774120, 31163320, 47524063, 95048126, 190096252, 237620315, 380192504, 475240630, 950481260, 1900962520]

約数ペア:

[(1, 1900962520), (2, 950481260), (4, 475240630), (5, 380192504), (8, 237620315), (10, 190096252), (20, 95048126), (40, 47524063), (61, 31163320), (71, 26774120), (122, 15581660), (142, 13387060), (244, 7790830), (284, 6693530), (305, 6232664), (355, 5354824), (488, 3895415), (568, 3346765), (610, 3116332), (710, 2677412), (1220, 1558166), (1420, 1338706), (2440, 779083), (2840, 669353), (4331, 438920), (8662, 219460), (10973, 173240), (17324, 109730), (21655, 87784), (21946, 86620), (34648, 54865), (43310, 43892)]