31786430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 68765760

約数和(自身を除く): 36979330

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 757, 1105, 1235, 1514, 1615, 2210, 2470, 3230, 3785, 4199, 7570, 8398, 9841, 12869, 14383, 19682, 20995, 25738, 28766, 41990, 49205, 64345, 71915, 98410, 128690, 143830, 167297, 186979, 244511, 334594, 373958, 489022, 836485, 934895, 1222555, 1672970, 1869790, 2445110, 3178643, 6357286, 15893215, 31786430]

約数ペア:

[(1, 31786430), (2, 15893215), (5, 6357286), (10, 3178643), (13, 2445110), (17, 1869790), (19, 1672970), (26, 1222555), (34, 934895), (38, 836485), (65, 489022), (85, 373958), (95, 334594), (130, 244511), (170, 186979), (190, 167297), (221, 143830), (247, 128690), (323, 98410), (442, 71915), (494, 64345), (646, 49205), (757, 41990), (1105, 28766), (1235, 25738), (1514, 20995), (1615, 19682), (2210, 14383), (2470, 12869), (3230, 9841), (3785, 8398), (4199, 7570)]