393608240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3691}}^1$

素因数の和:3778

約数の個数: 80

約数和(自身を含む): 966890496

約数和(自身を除く): 573282256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 2480, 2666, 3440, 3691, 5332, 6665, 7382, 10664, 13330, 14764, 18455, 21328, 26660, 29528, 36910, 53320, 59056, 73820, 106640, 114421, 147640, 158713, 228842, 295280, 317426, 457684, 572105, 634852, 793565, 915368, 1144210, 1269704, 1587130, 1830736, 2288420, 2539408, 3174260, 4576840, 4920103, 6348520, 9153680, 9840206, 12697040, 19680412, 24600515, 39360824, 49201030, 78721648, 98402060, 196804120, 393608240]

約数ペア:

[(1, 393608240), (2, 196804120), (4, 98402060), (5, 78721648), (8, 49201030), (10, 39360824), (16, 24600515), (20, 19680412), (31, 12697040), (40, 9840206), (43, 9153680), (62, 6348520), (80, 4920103), (86, 4576840), (124, 3174260), (155, 2539408), (172, 2288420), (215, 1830736), (248, 1587130), (310, 1269704), (344, 1144210), (430, 915368), (496, 793565), (620, 634852), (688, 572105), (860, 457684), (1240, 317426), (1333, 295280), (1720, 228842), (2480, 158713), (2666, 147640), (3440, 114421), (3691, 106640), (5332, 73820), (6665, 59056), (7382, 53320), (10664, 36910), (13330, 29528), (14764, 26660), (18455, 21328)]