36400280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 94970880

約数和(自身を除く): 58570600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1831, 1988, 2485, 2840, 3662, 3976, 4970, 7324, 9155, 9940, 12817, 14648, 18310, 19880, 25634, 36620, 51268, 64085, 73240, 102536, 128170, 130001, 256340, 260002, 512680, 520004, 650005, 910007, 1040008, 1300010, 1820014, 2600020, 3640028, 4550035, 5200040, 7280056, 9100070, 18200140, 36400280]

約数ペア:

[(1, 36400280), (2, 18200140), (4, 9100070), (5, 7280056), (7, 5200040), (8, 4550035), (10, 3640028), (14, 2600020), (20, 1820014), (28, 1300010), (35, 1040008), (40, 910007), (56, 650005), (70, 520004), (71, 512680), (140, 260002), (142, 256340), (280, 130001), (284, 128170), (355, 102536), (497, 73240), (568, 64085), (710, 51268), (994, 36620), (1420, 25634), (1831, 19880), (1988, 18310), (2485, 14648), (2840, 12817), (3662, 9940), (3976, 9155), (4970, 7324)]