278601210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{19717}}^1$

素因数の和:19887

約数の個数: 48

約数和(自身を含む): 729013896

約数和(自身を除く): 450412686

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1570, 2355, 2826, 4710, 7065, 14130, 19717, 39434, 59151, 98585, 118302, 177453, 197170, 295755, 354906, 591510, 887265, 1774530, 3095569, 6191138, 9286707, 15477845, 18573414, 27860121, 30955690, 46433535, 55720242, 92867070, 139300605, 278601210]

約数ペア:

[(1, 278601210), (2, 139300605), (3, 92867070), (5, 55720242), (6, 46433535), (9, 30955690), (10, 27860121), (15, 18573414), (18, 15477845), (30, 9286707), (45, 6191138), (90, 3095569), (157, 1774530), (314, 887265), (471, 591510), (785, 354906), (942, 295755), (1413, 197170), (1570, 177453), (2355, 118302), (2826, 98585), (4710, 59151), (7065, 39434), (14130, 19717)]