2781390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 4476210

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 139, 145, 174, 230, 278, 290, 345, 417, 435, 667, 690, 695, 834, 870, 1334, 1390, 2001, 2085, 3197, 3335, 4002, 4031, 4170, 6394, 6670, 8062, 9591, 10005, 12093, 15985, 19182, 20010, 20155, 24186, 31970, 40310, 47955, 60465, 92713, 95910, 120930, 185426, 278139, 463565, 556278, 927130, 1390695, 2781390]

約数ペア:

[(1, 2781390), (2, 1390695), (3, 927130), (5, 556278), (6, 463565), (10, 278139), (15, 185426), (23, 120930), (29, 95910), (30, 92713), (46, 60465), (58, 47955), (69, 40310), (87, 31970), (115, 24186), (138, 20155), (139, 20010), (145, 19182), (174, 15985), (230, 12093), (278, 10005), (290, 9591), (345, 8062), (417, 6670), (435, 6394), (667, 4170), (690, 4031), (695, 4002), (834, 3335), (870, 3197), (1334, 2085), (1390, 2001)]