445366940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{4051}}^1$

素因数の和:4322

約数の個数: 48

約数和(自身を含む): 980259840

約数和(自身を除く): 534892900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 239, 460, 478, 956, 1195, 2390, 4051, 4780, 5497, 8102, 10994, 16204, 20255, 21988, 27485, 40510, 54970, 81020, 93173, 109940, 186346, 372692, 465865, 931730, 968189, 1863460, 1936378, 3872756, 4840945, 9681890, 19363780, 22268347, 44536694, 89073388, 111341735, 222683470, 445366940]

約数ペア:

[(1, 445366940), (2, 222683470), (4, 111341735), (5, 89073388), (10, 44536694), (20, 22268347), (23, 19363780), (46, 9681890), (92, 4840945), (115, 3872756), (230, 1936378), (239, 1863460), (460, 968189), (478, 931730), (956, 465865), (1195, 372692), (2390, 186346), (4051, 109940), (4780, 93173), (5497, 81020), (8102, 54970), (10994, 40510), (16204, 27485), (20255, 21988)]