27978930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:608

約数の個数: 96

約数和(自身を含む): 84240000

約数和(自身を除く): 56261070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 89, 90, 105, 126, 178, 210, 267, 315, 445, 499, 534, 623, 630, 801, 890, 998, 1246, 1335, 1497, 1602, 1869, 2495, 2670, 2994, 3115, 3493, 3738, 4005, 4491, 4990, 5607, 6230, 6986, 7485, 8010, 8982, 9345, 10479, 11214, 14970, 17465, 18690, 20958, 22455, 28035, 31437, 34930, 44411, 44910, 52395, 56070, 62874, 88822, 104790, 133233, 157185, 222055, 266466, 310877, 314370, 399699, 444110, 621754, 666165, 799398, 932631, 1332330, 1554385, 1865262, 1998495, 2797893, 3108770, 3996990, 4663155, 5595786, 9326310, 13989465, 27978930]

約数ペア:

[(1, 27978930), (2, 13989465), (3, 9326310), (5, 5595786), (6, 4663155), (7, 3996990), (9, 3108770), (10, 2797893), (14, 1998495), (15, 1865262), (18, 1554385), (21, 1332330), (30, 932631), (35, 799398), (42, 666165), (45, 621754), (63, 444110), (70, 399699), (89, 314370), (90, 310877), (105, 266466), (126, 222055), (178, 157185), (210, 133233), (267, 104790), (315, 88822), (445, 62874), (499, 56070), (534, 52395), (623, 44910), (630, 44411), (801, 34930), (890, 31437), (998, 28035), (1246, 22455), (1335, 20958), (1497, 18690), (1602, 17465), (1869, 14970), (2495, 11214), (2670, 10479), (2994, 9345), (3115, 8982), (3493, 8010), (3738, 7485), (4005, 6986), (4491, 6230), (4990, 5607)]