349747840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 910264320

約数和(自身を除く): 560516480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 260, 320, 331, 416, 508, 520, 635, 640, 662, 832, 1016, 1040, 1270, 1324, 1651, 1655, 1664, 2032, 2080, 2540, 2648, 3302, 3310, 4064, 4160, 4303, 5080, 5296, 6604, 6620, 8128, 8255, 8320, 8606, 10160, 10592, 13208, 13240, 16256, 16510, 17212, 20320, 21184, 21515, 26416, 26480, 33020, 34424, 40640, 42037, 42368, 43030, 52832, 52960, 66040, 68848, 81280, 84074, 86060, 105664, 105920, 132080, 137696, 168148, 172120, 210185, 211328, 211840, 264160, 275392, 336296, 344240, 420370, 528320, 546481, 550784, 672592, 688480, 840740, 1056640, 1092962, 1345184, 1376960, 1681480, 2185924, 2690368, 2732405, 2753920, 3362960, 4371848, 5380736, 5464810, 6725920, 8743696, 10929620, 13451840, 17487392, 21859240, 26903680, 34974784, 43718480, 69949568, 87436960, 174873920, 349747840]

約数ペア:

[(1, 349747840), (2, 174873920), (4, 87436960), (5, 69949568), (8, 43718480), (10, 34974784), (13, 26903680), (16, 21859240), (20, 17487392), (26, 13451840), (32, 10929620), (40, 8743696), (52, 6725920), (64, 5464810), (65, 5380736), (80, 4371848), (104, 3362960), (127, 2753920), (128, 2732405), (130, 2690368), (160, 2185924), (208, 1681480), (254, 1376960), (260, 1345184), (320, 1092962), (331, 1056640), (416, 840740), (508, 688480), (520, 672592), (635, 550784), (640, 546481), (662, 528320), (832, 420370), (1016, 344240), (1040, 336296), (1270, 275392), (1324, 264160), (1651, 211840), (1655, 211328), (1664, 210185), (2032, 172120), (2080, 168148), (2540, 137696), (2648, 132080), (3302, 105920), (3310, 105664), (4064, 86060), (4160, 84074), (4303, 81280), (5080, 68848), (5296, 66040), (6604, 52960), (6620, 52832), (8128, 43030), (8255, 42368), (8320, 42037), (8606, 40640), (10160, 34424), (10592, 33020), (13208, 26480), (13240, 26416), (16256, 21515), (16510, 21184), (17212, 20320)]