131122420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 344107008

約数和(自身を除く): 212984588

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 127, 130, 143, 190, 209, 220, 247, 254, 260, 286, 361, 380, 418, 494, 508, 572, 635, 715, 722, 836, 988, 1045, 1235, 1270, 1397, 1430, 1444, 1651, 1805, 2090, 2413, 2470, 2540, 2717, 2794, 2860, 3302, 3610, 3971, 4180, 4693, 4826, 4940, 5434, 5588, 6604, 6985, 7220, 7942, 8255, 9386, 9652, 10868, 12065, 13585, 13970, 15884, 16510, 18161, 18772, 19855, 23465, 24130, 26543, 27170, 27940, 31369, 33020, 36322, 39710, 45847, 46930, 48260, 51623, 53086, 54340, 62738, 72644, 79420, 90805, 91694, 93860, 103246, 106172, 125476, 132715, 156845, 181610, 183388, 206492, 229235, 258115, 265430, 313690, 345059, 363220, 458470, 504317, 516230, 530860, 596011, 627380, 690118, 916940, 1008634, 1032460, 1192022, 1380236, 1725295, 2017268, 2384044, 2521585, 2980055, 3450590, 5043170, 5960110, 6556121, 6901180, 10086340, 11920220, 13112242, 26224484, 32780605, 65561210, 131122420]

約数ペア:

[(1, 131122420), (2, 65561210), (4, 32780605), (5, 26224484), (10, 13112242), (11, 11920220), (13, 10086340), (19, 6901180), (20, 6556121), (22, 5960110), (26, 5043170), (38, 3450590), (44, 2980055), (52, 2521585), (55, 2384044), (65, 2017268), (76, 1725295), (95, 1380236), (110, 1192022), (127, 1032460), (130, 1008634), (143, 916940), (190, 690118), (209, 627380), (220, 596011), (247, 530860), (254, 516230), (260, 504317), (286, 458470), (361, 363220), (380, 345059), (418, 313690), (494, 265430), (508, 258115), (572, 229235), (635, 206492), (715, 183388), (722, 181610), (836, 156845), (988, 132715), (1045, 125476), (1235, 106172), (1270, 103246), (1397, 93860), (1430, 91694), (1444, 90805), (1651, 79420), (1805, 72644), (2090, 62738), (2413, 54340), (2470, 53086), (2540, 51623), (2717, 48260), (2794, 46930), (2860, 45847), (3302, 39710), (3610, 36322), (3971, 33020), (4180, 31369), (4693, 27940), (4826, 27170), (4940, 26543), (5434, 24130), (5588, 23465), (6604, 19855), (6985, 18772), (7220, 18161), (7942, 16510), (8255, 15884), (9386, 13970), (9652, 13585), (10868, 12065)]