1285014790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 2441871360

約数和(自身を除く): 1156856570

約数列:

[1, 2, 5, 10, 31, 62, 79, 137, 155, 158, 274, 310, 383, 395, 685, 766, 790, 1370, 1915, 2449, 3830, 4247, 4898, 8494, 10823, 11873, 12245, 21235, 21646, 23746, 24490, 30257, 42470, 52471, 54115, 59365, 60514, 104942, 108230, 118730, 151285, 262355, 302570, 335513, 524710, 671026, 937967, 1626601, 1677565, 1875934, 3253202, 3355130, 4145209, 4689835, 8133005, 8290418, 9379670, 16266010, 20726045, 41452090, 128501479, 257002958, 642507395, 1285014790]

約数ペア:

[(1, 1285014790), (2, 642507395), (5, 257002958), (10, 128501479), (31, 41452090), (62, 20726045), (79, 16266010), (137, 9379670), (155, 8290418), (158, 8133005), (274, 4689835), (310, 4145209), (383, 3355130), (395, 3253202), (685, 1875934), (766, 1677565), (790, 1626601), (1370, 937967), (1915, 671026), (2449, 524710), (3830, 335513), (4247, 302570), (4898, 262355), (8494, 151285), (10823, 118730), (11873, 108230), (12245, 104942), (21235, 60514), (21646, 59365), (23746, 54115), (24490, 52471), (30257, 42470)]