268243340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{21323}}^1$

素因数の和:21386

約数の個数: 48

約数和(自身を含む): 612595872

約数和(自身を除く): 344352532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 21323, 42646, 85292, 106615, 213230, 362491, 426460, 724982, 788951, 1449964, 1577902, 1812455, 3155804, 3624910, 3944755, 7249820, 7889510, 13412167, 15779020, 26824334, 53648668, 67060835, 134121670, 268243340]

約数ペア:

[(1, 268243340), (2, 134121670), (4, 67060835), (5, 53648668), (10, 26824334), (17, 15779020), (20, 13412167), (34, 7889510), (37, 7249820), (68, 3944755), (74, 3624910), (85, 3155804), (148, 1812455), (170, 1577902), (185, 1449964), (340, 788951), (370, 724982), (629, 426460), (740, 362491), (1258, 213230), (2516, 106615), (3145, 85292), (6290, 42646), (12580, 21323)]