31830890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 75841920

約数和(自身を除く): 44011030

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, 263, 266, 455, 490, 494, 526, 637, 665, 910, 931, 1235, 1274, 1315, 1330, 1729, 1841, 1862, 2470, 2630, 3185, 3419, 3458, 3682, 4655, 4997, 6370, 6838, 8645, 9205, 9310, 9994, 12103, 12887, 17095, 17290, 18410, 23933, 24206, 24985, 25774, 34190, 34979, 47866, 49970, 60515, 64435, 64961, 69958, 119665, 121030, 128870, 129922, 167531, 174895, 239330, 244853, 324805, 335062, 349790, 454727, 489706, 649610, 837655, 909454, 1224265, 1675310, 2273635, 2448530, 3183089, 4547270, 6366178, 15915445, 31830890]

約数ペア:

[(1, 31830890), (2, 15915445), (5, 6366178), (7, 4547270), (10, 3183089), (13, 2448530), (14, 2273635), (19, 1675310), (26, 1224265), (35, 909454), (38, 837655), (49, 649610), (65, 489706), (70, 454727), (91, 349790), (95, 335062), (98, 324805), (130, 244853), (133, 239330), (182, 174895), (190, 167531), (245, 129922), (247, 128870), (263, 121030), (266, 119665), (455, 69958), (490, 64961), (494, 64435), (526, 60515), (637, 49970), (665, 47866), (910, 34979), (931, 34190), (1235, 25774), (1274, 24985), (1315, 24206), (1330, 23933), (1729, 18410), (1841, 17290), (1862, 17095), (2470, 12887), (2630, 12103), (3185, 9994), (3419, 9310), (3458, 9205), (3682, 8645), (4655, 6838), (4997, 6370)]