31314340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2971}}^1$

素因数の和:3028

約数の個数: 48

約数和(自身を含む): 71898624

約数和(自身を除く): 40584284

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 2971, 5270, 5942, 10540, 11884, 14855, 29710, 50507, 59420, 92101, 101014, 184202, 202028, 252535, 368404, 460505, 505070, 921010, 1010140, 1565717, 1842020, 3131434, 6262868, 7828585, 15657170, 31314340]

約数ペア:

[(1, 31314340), (2, 15657170), (4, 7828585), (5, 6262868), (10, 3131434), (17, 1842020), (20, 1565717), (31, 1010140), (34, 921010), (62, 505070), (68, 460505), (85, 368404), (124, 252535), (155, 202028), (170, 184202), (310, 101014), (340, 92101), (527, 59420), (620, 50507), (1054, 29710), (2108, 14855), (2635, 11884), (2971, 10540), (5270, 5942)]