61508900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 142490880

約数和(自身を除く): 80981980

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 188, 230, 235, 460, 470, 569, 575, 940, 1081, 1138, 1150, 1175, 2162, 2276, 2300, 2350, 2845, 4324, 4700, 5405, 5690, 10810, 11380, 13087, 14225, 21620, 26174, 26743, 27025, 28450, 52348, 53486, 54050, 56900, 65435, 106972, 108100, 130870, 133715, 261740, 267430, 327175, 534860, 615089, 654350, 668575, 1230178, 1308700, 1337150, 2460356, 2674300, 3075445, 6150890, 12301780, 15377225, 30754450, 61508900]

約数ペア:

[(1, 61508900), (2, 30754450), (4, 15377225), (5, 12301780), (10, 6150890), (20, 3075445), (23, 2674300), (25, 2460356), (46, 1337150), (47, 1308700), (50, 1230178), (92, 668575), (94, 654350), (100, 615089), (115, 534860), (188, 327175), (230, 267430), (235, 261740), (460, 133715), (470, 130870), (569, 108100), (575, 106972), (940, 65435), (1081, 56900), (1138, 54050), (1150, 53486), (1175, 52348), (2162, 28450), (2276, 27025), (2300, 26743), (2350, 26174), (2845, 21620), (4324, 14225), (4700, 13087), (5405, 11380), (5690, 10810)]