7790380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 18818352

約数和(自身を除く): 11027972

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 83, 95, 130, 166, 190, 247, 260, 332, 361, 380, 415, 494, 722, 830, 988, 1079, 1235, 1444, 1577, 1660, 1805, 2158, 2470, 3154, 3610, 4316, 4693, 4940, 5395, 6308, 7220, 7885, 9386, 10790, 15770, 18772, 20501, 21580, 23465, 29963, 31540, 41002, 46930, 59926, 82004, 93860, 102505, 119852, 149815, 205010, 299630, 389519, 410020, 599260, 779038, 1558076, 1947595, 3895190, 7790380]

約数ペア:

[(1, 7790380), (2, 3895190), (4, 1947595), (5, 1558076), (10, 779038), (13, 599260), (19, 410020), (20, 389519), (26, 299630), (38, 205010), (52, 149815), (65, 119852), (76, 102505), (83, 93860), (95, 82004), (130, 59926), (166, 46930), (190, 41002), (247, 31540), (260, 29963), (332, 23465), (361, 21580), (380, 20501), (415, 18772), (494, 15770), (722, 10790), (830, 9386), (988, 7885), (1079, 7220), (1235, 6308), (1444, 5395), (1577, 4940), (1660, 4693), (1805, 4316), (2158, 3610), (2470, 3154)]