908483860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{12517}}^1$

素因数の和:12736

約数の個数: 48

約数和(自身を含む): 2018903040

約数和(自身を除く): 1110419180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 3629, 3820, 7258, 12517, 14516, 18145, 25034, 36290, 50068, 62585, 72580, 125170, 237823, 250340, 475646, 951292, 1189115, 2378230, 2390747, 4756460, 4781494, 9562988, 11953735, 23907470, 45424193, 47814940, 90848386, 181696772, 227120965, 454241930, 908483860]

約数ペア:

[(1, 908483860), (2, 454241930), (4, 227120965), (5, 181696772), (10, 90848386), (19, 47814940), (20, 45424193), (38, 23907470), (76, 11953735), (95, 9562988), (190, 4781494), (191, 4756460), (380, 2390747), (382, 2378230), (764, 1189115), (955, 951292), (1910, 475646), (3629, 250340), (3820, 237823), (7258, 125170), (12517, 72580), (14516, 62585), (18145, 50068), (25034, 36290)]