71351450

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 136598400

約数和(自身を除く): 65246950

約数列:

[1, 2, 5, 10, 25, 50, 71, 101, 142, 199, 202, 355, 398, 505, 710, 995, 1010, 1775, 1990, 2525, 3550, 4975, 5050, 7171, 9950, 14129, 14342, 20099, 28258, 35855, 40198, 70645, 71710, 100495, 141290, 179275, 200990, 353225, 358550, 502475, 706450, 1004950, 1427029, 2854058, 7135145, 14270290, 35675725, 71351450]

約数ペア:

[(1, 71351450), (2, 35675725), (5, 14270290), (10, 7135145), (25, 2854058), (50, 1427029), (71, 1004950), (101, 706450), (142, 502475), (199, 358550), (202, 353225), (355, 200990), (398, 179275), (505, 141290), (710, 100495), (995, 71710), (1010, 70645), (1775, 40198), (1990, 35855), (2525, 28258), (3550, 20099), (4975, 14342), (5050, 14129), (7171, 9950)]