193969840

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{3917}}^1$

素因数の和:4549

約数の個数: 40

約数和(自身を含む): 451823760

約数和(自身を除く): 257853920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 2476, 3095, 3917, 4952, 6190, 7834, 9904, 12380, 15668, 19585, 24760, 31336, 39170, 49520, 62672, 78340, 156680, 313360, 2424623, 4849246, 9698492, 12123115, 19396984, 24246230, 38793968, 48492460, 96984920, 193969840]

約数ペア:

[(1, 193969840), (2, 96984920), (4, 48492460), (5, 38793968), (8, 24246230), (10, 19396984), (16, 12123115), (20, 9698492), (40, 4849246), (80, 2424623), (619, 313360), (1238, 156680), (2476, 78340), (3095, 62672), (3917, 49520), (4952, 39170), (6190, 31336), (7834, 24760), (9904, 19585), (12380, 15668)]