407506490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1597}}^1$

素因数の和:1719

約数の個数: 64

約数和(自身を含む): 828403200

約数和(自身を除く): 420896710

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 79, 85, 95, 158, 170, 190, 323, 395, 646, 790, 1343, 1501, 1597, 1615, 2686, 3002, 3194, 3230, 6715, 7505, 7985, 13430, 15010, 15970, 25517, 27149, 30343, 51034, 54298, 60686, 126163, 127585, 135745, 151715, 252326, 255170, 271490, 303430, 515831, 630815, 1031662, 1261630, 2144771, 2397097, 2579155, 4289542, 4794194, 5158310, 10723855, 11985485, 21447710, 23970970, 40750649, 81501298, 203753245, 407506490]

約数ペア:

[(1, 407506490), (2, 203753245), (5, 81501298), (10, 40750649), (17, 23970970), (19, 21447710), (34, 11985485), (38, 10723855), (79, 5158310), (85, 4794194), (95, 4289542), (158, 2579155), (170, 2397097), (190, 2144771), (323, 1261630), (395, 1031662), (646, 630815), (790, 515831), (1343, 303430), (1501, 271490), (1597, 255170), (1615, 252326), (2686, 151715), (3002, 135745), (3194, 127585), (3230, 126163), (6715, 60686), (7505, 54298), (7985, 51034), (13430, 30343), (15010, 27149), (15970, 25517)]