291255380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{4463}}^1$

素因数の和:4736

約数の個数: 48

約数和(自身を含む): 661457664

約数和(自身を除く): 370202284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 251, 260, 502, 1004, 1255, 2510, 3263, 4463, 5020, 6526, 8926, 13052, 16315, 17852, 22315, 32630, 44630, 58019, 65260, 89260, 116038, 232076, 290095, 580190, 1120213, 1160380, 2240426, 4480852, 5601065, 11202130, 14562769, 22404260, 29125538, 58251076, 72813845, 145627690, 291255380]

約数ペア:

[(1, 291255380), (2, 145627690), (4, 72813845), (5, 58251076), (10, 29125538), (13, 22404260), (20, 14562769), (26, 11202130), (52, 5601065), (65, 4480852), (130, 2240426), (251, 1160380), (260, 1120213), (502, 580190), (1004, 290095), (1255, 232076), (2510, 116038), (3263, 89260), (4463, 65260), (5020, 58019), (6526, 44630), (8926, 32630), (13052, 22315), (16315, 17852)]