312015800

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{11909}}^1$

素因数の和:12056

約数の個数: 48

約数和(自身を含む): 731035800

約数和(自身を除く): 419020000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 2620, 3275, 5240, 6550, 11909, 13100, 23818, 26200, 47636, 59545, 95272, 119090, 238180, 297725, 476360, 595450, 1190900, 1560079, 2381800, 3120158, 6240316, 7800395, 12480632, 15600790, 31201580, 39001975, 62403160, 78003950, 156007900, 312015800]

約数ペア:

[(1, 312015800), (2, 156007900), (4, 78003950), (5, 62403160), (8, 39001975), (10, 31201580), (20, 15600790), (25, 12480632), (40, 7800395), (50, 6240316), (100, 3120158), (131, 2381800), (200, 1560079), (262, 1190900), (524, 595450), (655, 476360), (1048, 297725), (1310, 238180), (2620, 119090), (3275, 95272), (5240, 59545), (6550, 47636), (11909, 26200), (13100, 23818)]