13421980

素因数分解:

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

素因数の和:84

約数の個数: 108

約数和(自身を含む): 35140392

約数和(自身を除く): 21718412

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 169, 190, 209, 220, 247, 260, 286, 338, 361, 380, 418, 494, 572, 676, 715, 722, 836, 845, 988, 1045, 1235, 1430, 1444, 1690, 1805, 1859, 2090, 2470, 2717, 2860, 3211, 3380, 3610, 3718, 3971, 4180, 4693, 4940, 5434, 6422, 7220, 7436, 7942, 9295, 9386, 10868, 12844, 13585, 15884, 16055, 18590, 18772, 19855, 23465, 27170, 32110, 35321, 37180, 39710, 46930, 51623, 54340, 61009, 64220, 70642, 79420, 93860, 103246, 122018, 141284, 176605, 206492, 244036, 258115, 305045, 353210, 516230, 610090, 671099, 706420, 1032460, 1220180, 1342198, 2684396, 3355495, 6710990, 13421980]

約数ペア:

[(1, 13421980), (2, 6710990), (4, 3355495), (5, 2684396), (10, 1342198), (11, 1220180), (13, 1032460), (19, 706420), (20, 671099), (22, 610090), (26, 516230), (38, 353210), (44, 305045), (52, 258115), (55, 244036), (65, 206492), (76, 176605), (95, 141284), (110, 122018), (130, 103246), (143, 93860), (169, 79420), (190, 70642), (209, 64220), (220, 61009), (247, 54340), (260, 51623), (286, 46930), (338, 39710), (361, 37180), (380, 35321), (418, 32110), (494, 27170), (572, 23465), (676, 19855), (715, 18772), (722, 18590), (836, 16055), (845, 15884), (988, 13585), (1045, 12844), (1235, 10868), (1430, 9386), (1444, 9295), (1690, 7942), (1805, 7436), (1859, 7220), (2090, 6422), (2470, 5434), (2717, 4940), (2860, 4693), (3211, 4180), (3380, 3971), (3610, 3718)]