31104710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 74118240

約数和(自身を除く): 43013530

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 49, 65, 70, 91, 95, 98, 130, 133, 182, 190, 245, 247, 257, 266, 455, 490, 494, 514, 637, 665, 910, 931, 1235, 1274, 1285, 1330, 1729, 1799, 1862, 2470, 2570, 3185, 3341, 3458, 3598, 4655, 4883, 6370, 6682, 8645, 8995, 9310, 9766, 12103, 12593, 16705, 17290, 17990, 23387, 24206, 24415, 25186, 33410, 34181, 46774, 48830, 60515, 62965, 63479, 68362, 116935, 121030, 125930, 126958, 163709, 170905, 233870, 239267, 317395, 327418, 341810, 444353, 478534, 634790, 818545, 888706, 1196335, 1637090, 2221765, 2392670, 3110471, 4443530, 6220942, 15552355, 31104710]

約数ペア:

[(1, 31104710), (2, 15552355), (5, 6220942), (7, 4443530), (10, 3110471), (13, 2392670), (14, 2221765), (19, 1637090), (26, 1196335), (35, 888706), (38, 818545), (49, 634790), (65, 478534), (70, 444353), (91, 341810), (95, 327418), (98, 317395), (130, 239267), (133, 233870), (182, 170905), (190, 163709), (245, 126958), (247, 125930), (257, 121030), (266, 116935), (455, 68362), (490, 63479), (494, 62965), (514, 60515), (637, 48830), (665, 46774), (910, 34181), (931, 33410), (1235, 25186), (1274, 24415), (1285, 24206), (1330, 23387), (1729, 17990), (1799, 17290), (1862, 16705), (2470, 12593), (2570, 12103), (3185, 9766), (3341, 9310), (3458, 8995), (3598, 8645), (4655, 6682), (4883, 6370)]