201512290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1471}}^1$

素因数の和:1607

約数の個数: 64

約数和(自身を含む): 440893440

約数和(自身を除く): 239381150

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 103, 133, 190, 206, 266, 515, 665, 721, 1030, 1330, 1442, 1471, 1957, 2942, 3605, 3914, 7210, 7355, 9785, 10297, 13699, 14710, 19570, 20594, 27398, 27949, 51485, 55898, 68495, 102970, 136990, 139745, 151513, 195643, 279490, 303026, 391286, 757565, 978215, 1060591, 1515130, 1956430, 2121182, 2878747, 5302955, 5757494, 10605910, 14393735, 20151229, 28787470, 40302458, 100756145, 201512290]

約数ペア:

[(1, 201512290), (2, 100756145), (5, 40302458), (7, 28787470), (10, 20151229), (14, 14393735), (19, 10605910), (35, 5757494), (38, 5302955), (70, 2878747), (95, 2121182), (103, 1956430), (133, 1515130), (190, 1060591), (206, 978215), (266, 757565), (515, 391286), (665, 303026), (721, 279490), (1030, 195643), (1330, 151513), (1442, 139745), (1471, 136990), (1957, 102970), (2942, 68495), (3605, 55898), (3914, 51485), (7210, 27949), (7355, 27398), (9785, 20594), (10297, 19570), (13699, 14710)]