157777150

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 299757600

約数和(自身を除く): 141980450

約数列:

[1, 2, 5, 10, 25, 50, 101, 157, 199, 202, 314, 398, 505, 785, 995, 1010, 1570, 1990, 2525, 3925, 4975, 5050, 7850, 9950, 15857, 20099, 31243, 31714, 40198, 62486, 79285, 100495, 156215, 158570, 200990, 312430, 396425, 502475, 781075, 792850, 1004950, 1562150, 3155543, 6311086, 15777715, 31555430, 78888575, 157777150]

約数ペア:

[(1, 157777150), (2, 78888575), (5, 31555430), (10, 15777715), (25, 6311086), (50, 3155543), (101, 1562150), (157, 1004950), (199, 792850), (202, 781075), (314, 502475), (398, 396425), (505, 312430), (785, 200990), (995, 158570), (1010, 156215), (1570, 100495), (1990, 79285), (2525, 62486), (3925, 40198), (4975, 31714), (5050, 31243), (7850, 20099), (9950, 15857)]