86351980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 215772480

約数和(自身を除く): 129420500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 109, 110, 130, 143, 218, 220, 260, 277, 286, 436, 545, 554, 572, 715, 1090, 1108, 1199, 1385, 1417, 1430, 2180, 2398, 2770, 2834, 2860, 3047, 3601, 4796, 5540, 5668, 5995, 6094, 7085, 7202, 11990, 12188, 14170, 14404, 15235, 15587, 18005, 23980, 28340, 30193, 30470, 31174, 36010, 39611, 60386, 60940, 62348, 72020, 77935, 79222, 120772, 150965, 155870, 158444, 198055, 301930, 311740, 332123, 392509, 396110, 603860, 664246, 785018, 792220, 1328492, 1570036, 1660615, 1962545, 3321230, 3925090, 4317599, 6642460, 7850180, 8635198, 17270396, 21587995, 43175990, 86351980]

約数ペア:

[(1, 86351980), (2, 43175990), (4, 21587995), (5, 17270396), (10, 8635198), (11, 7850180), (13, 6642460), (20, 4317599), (22, 3925090), (26, 3321230), (44, 1962545), (52, 1660615), (55, 1570036), (65, 1328492), (109, 792220), (110, 785018), (130, 664246), (143, 603860), (218, 396110), (220, 392509), (260, 332123), (277, 311740), (286, 301930), (436, 198055), (545, 158444), (554, 155870), (572, 150965), (715, 120772), (1090, 79222), (1108, 77935), (1199, 72020), (1385, 62348), (1417, 60940), (1430, 60386), (2180, 39611), (2398, 36010), (2770, 31174), (2834, 30470), (2860, 30193), (3047, 28340), (3601, 23980), (4796, 18005), (5540, 15587), (5668, 15235), (5995, 14404), (6094, 14170), (7085, 12188), (7202, 11990)]