102810820

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{2141}}^1$

素因数の和:2178

約数の個数: 60

約数和(自身を含む): 251989164

約数和(自身を除く): 149178344

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2141, 2401, 3430, 4282, 4802, 6860, 8564, 9604, 10705, 12005, 14987, 21410, 24010, 29974, 42820, 48020, 59948, 74935, 104909, 149870, 209818, 299740, 419636, 524545, 734363, 1049090, 1468726, 2098180, 2937452, 3671815, 5140541, 7343630, 10281082, 14687260, 20562164, 25702705, 51405410, 102810820]

約数ペア:

[(1, 102810820), (2, 51405410), (4, 25702705), (5, 20562164), (7, 14687260), (10, 10281082), (14, 7343630), (20, 5140541), (28, 3671815), (35, 2937452), (49, 2098180), (70, 1468726), (98, 1049090), (140, 734363), (196, 524545), (245, 419636), (343, 299740), (490, 209818), (686, 149870), (980, 104909), (1372, 74935), (1715, 59948), (2141, 48020), (2401, 42820), (3430, 29974), (4282, 24010), (4802, 21410), (6860, 14987), (8564, 12005), (9604, 10705)]