659220580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 1521192960

約数和(自身を除く): 861972380

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 107, 124, 155, 190, 214, 310, 380, 428, 523, 535, 589, 620, 1046, 1070, 1178, 2033, 2092, 2140, 2356, 2615, 2945, 3317, 4066, 5230, 5890, 6634, 8132, 9937, 10165, 10460, 11780, 13268, 16213, 16585, 19874, 20330, 32426, 33170, 39748, 40660, 49685, 55961, 63023, 64852, 66340, 81065, 99370, 111922, 126046, 162130, 198740, 223844, 252092, 279805, 308047, 315115, 324260, 559610, 616094, 630230, 1063259, 1119220, 1232188, 1260460, 1540235, 1734791, 2126518, 3080470, 3469582, 4253036, 5316295, 6160940, 6939164, 8673955, 10632590, 17347910, 21265180, 32961029, 34695820, 65922058, 131844116, 164805145, 329610290, 659220580]

約数ペア:

[(1, 659220580), (2, 329610290), (4, 164805145), (5, 131844116), (10, 65922058), (19, 34695820), (20, 32961029), (31, 21265180), (38, 17347910), (62, 10632590), (76, 8673955), (95, 6939164), (107, 6160940), (124, 5316295), (155, 4253036), (190, 3469582), (214, 3080470), (310, 2126518), (380, 1734791), (428, 1540235), (523, 1260460), (535, 1232188), (589, 1119220), (620, 1063259), (1046, 630230), (1070, 616094), (1178, 559610), (2033, 324260), (2092, 315115), (2140, 308047), (2356, 279805), (2615, 252092), (2945, 223844), (3317, 198740), (4066, 162130), (5230, 126046), (5890, 111922), (6634, 99370), (8132, 81065), (9937, 66340), (10165, 64852), (10460, 63023), (11780, 55961), (13268, 49685), (16213, 40660), (16585, 39748), (19874, 33170), (20330, 32426)]