7414940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 17922240

約数和(自身を除く): 10507300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 79, 95, 130, 158, 190, 247, 260, 316, 361, 380, 395, 494, 722, 790, 988, 1027, 1235, 1444, 1501, 1580, 1805, 2054, 2470, 3002, 3610, 4108, 4693, 4940, 5135, 6004, 7220, 7505, 9386, 10270, 15010, 18772, 19513, 20540, 23465, 28519, 30020, 39026, 46930, 57038, 78052, 93860, 97565, 114076, 142595, 195130, 285190, 370747, 390260, 570380, 741494, 1482988, 1853735, 3707470, 7414940]

約数ペア:

[(1, 7414940), (2, 3707470), (4, 1853735), (5, 1482988), (10, 741494), (13, 570380), (19, 390260), (20, 370747), (26, 285190), (38, 195130), (52, 142595), (65, 114076), (76, 97565), (79, 93860), (95, 78052), (130, 57038), (158, 46930), (190, 39026), (247, 30020), (260, 28519), (316, 23465), (361, 20540), (380, 19513), (395, 18772), (494, 15010), (722, 10270), (790, 9386), (988, 7505), (1027, 7220), (1235, 6004), (1444, 5135), (1501, 4940), (1580, 4693), (1805, 4108), (2054, 3610), (2470, 3002)]