78230980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 185472000

約数和(自身を除く): 107241020

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 31, 38, 58, 62, 76, 95, 116, 124, 145, 155, 190, 229, 290, 310, 380, 458, 551, 580, 589, 620, 899, 916, 1102, 1145, 1178, 1798, 2204, 2290, 2356, 2755, 2945, 3596, 4351, 4495, 4580, 5510, 5890, 6641, 7099, 8702, 8990, 11020, 11780, 13282, 14198, 17081, 17404, 17980, 21755, 26564, 28396, 33205, 34162, 35495, 43510, 66410, 68324, 70990, 85405, 87020, 126179, 132820, 134881, 141980, 170810, 205871, 252358, 269762, 341620, 411742, 504716, 539524, 630895, 674405, 823484, 1029355, 1261790, 1348810, 2058710, 2523580, 2697620, 3911549, 4117420, 7823098, 15646196, 19557745, 39115490, 78230980]

約数ペア:

[(1, 78230980), (2, 39115490), (4, 19557745), (5, 15646196), (10, 7823098), (19, 4117420), (20, 3911549), (29, 2697620), (31, 2523580), (38, 2058710), (58, 1348810), (62, 1261790), (76, 1029355), (95, 823484), (116, 674405), (124, 630895), (145, 539524), (155, 504716), (190, 411742), (229, 341620), (290, 269762), (310, 252358), (380, 205871), (458, 170810), (551, 141980), (580, 134881), (589, 132820), (620, 126179), (899, 87020), (916, 85405), (1102, 70990), (1145, 68324), (1178, 66410), (1798, 43510), (2204, 35495), (2290, 34162), (2356, 33205), (2755, 28396), (2945, 26564), (3596, 21755), (4351, 17980), (4495, 17404), (4580, 17081), (5510, 14198), (5890, 13282), (6641, 11780), (7099, 11020), (8702, 8990)]