68638340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 81352060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 743, 745, 1486, 1490, 2972, 2980, 3715, 4619, 7430, 9238, 14860, 18476, 23033, 23095, 46066, 46190, 92132, 92380, 110707, 115165, 221414, 230330, 442828, 460660, 553535, 1107070, 2214140, 3431917, 6863834, 13727668, 17159585, 34319170, 68638340]

約数ペア:

[(1, 68638340), (2, 34319170), (4, 17159585), (5, 13727668), (10, 6863834), (20, 3431917), (31, 2214140), (62, 1107070), (124, 553535), (149, 460660), (155, 442828), (298, 230330), (310, 221414), (596, 115165), (620, 110707), (743, 92380), (745, 92132), (1486, 46190), (1490, 46066), (2972, 23095), (2980, 23033), (3715, 18476), (4619, 14860), (7430, 9238)]