120981800

素因数分解:

$2^3\times 5^2\times {\mathrm{239}}^1\times {\mathrm{2531}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 282571200

約数和(自身を除く): 161589400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 239, 478, 956, 1195, 1912, 2390, 2531, 4780, 5062, 5975, 9560, 10124, 11950, 12655, 20248, 23900, 25310, 47800, 50620, 63275, 101240, 126550, 253100, 506200, 604909, 1209818, 2419636, 3024545, 4839272, 6049090, 12098180, 15122725, 24196360, 30245450, 60490900, 120981800]

約数ペア:

[(1, 120981800), (2, 60490900), (4, 30245450), (5, 24196360), (8, 15122725), (10, 12098180), (20, 6049090), (25, 4839272), (40, 3024545), (50, 2419636), (100, 1209818), (200, 604909), (239, 506200), (478, 253100), (956, 126550), (1195, 101240), (1912, 63275), (2390, 50620), (2531, 47800), (4780, 25310), (5062, 23900), (5975, 20248), (9560, 12655), (10124, 11950)]