438724910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 879766272

約数和(自身を除く): 441041362

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 197, 370, 394, 463, 481, 926, 962, 985, 1970, 2315, 2405, 2561, 4630, 4810, 5122, 6019, 7289, 12038, 12805, 14578, 17131, 25610, 30095, 34262, 36445, 60190, 72890, 85655, 91211, 94757, 171310, 182422, 189514, 222703, 445406, 456055, 473785, 912110, 947570, 1113515, 1185743, 2227030, 2371486, 3374807, 5928715, 6749614, 11857430, 16874035, 33748070, 43872491, 87744982, 219362455, 438724910]

約数ペア:

[(1, 438724910), (2, 219362455), (5, 87744982), (10, 43872491), (13, 33748070), (26, 16874035), (37, 11857430), (65, 6749614), (74, 5928715), (130, 3374807), (185, 2371486), (197, 2227030), (370, 1185743), (394, 1113515), (463, 947570), (481, 912110), (926, 473785), (962, 456055), (985, 445406), (1970, 222703), (2315, 189514), (2405, 182422), (2561, 171310), (4630, 94757), (4810, 91211), (5122, 85655), (6019, 72890), (7289, 60190), (12038, 36445), (12805, 34262), (14578, 30095), (17131, 25610)]