390625668

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{613}}^1$

素因数の和:1225

約数の個数: 72

約数和(自身を含む): 1022717696

約数和(自身を除く): 632092028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 571, 613, 1116, 1142, 1226, 1713, 1839, 2284, 2452, 3426, 3678, 5139, 5517, 6852, 7356, 10278, 11034, 17701, 19003, 20556, 22068, 35402, 38006, 53103, 57009, 70804, 76012, 106206, 114018, 159309, 171027, 212412, 228036, 318618, 342054, 350023, 637236, 684108, 700046, 1050069, 1400092, 2100138, 3150207, 4200276, 6300414, 10850713, 12600828, 21701426, 32552139, 43402852, 65104278, 97656417, 130208556, 195312834, 390625668]

約数ペア:

[(1, 390625668), (2, 195312834), (3, 130208556), (4, 97656417), (6, 65104278), (9, 43402852), (12, 32552139), (18, 21701426), (31, 12600828), (36, 10850713), (62, 6300414), (93, 4200276), (124, 3150207), (186, 2100138), (279, 1400092), (372, 1050069), (558, 700046), (571, 684108), (613, 637236), (1116, 350023), (1142, 342054), (1226, 318618), (1713, 228036), (1839, 212412), (2284, 171027), (2452, 159309), (3426, 114018), (3678, 106206), (5139, 76012), (5517, 70804), (6852, 57009), (7356, 53103), (10278, 38006), (11034, 35402), (17701, 22068), (19003, 20556)]