1815076660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{41233}}^1$

素因数の和:41344

約数の個数: 48

約数和(自身を含む): 3990131712

約数和(自身を除く): 2175055052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4402, 8804, 11005, 22010, 41233, 44020, 82466, 164932, 206165, 412330, 824660, 1278223, 2556446, 2927543, 5112892, 5855086, 6391115, 11710172, 12782230, 14637715, 25564460, 29275430, 58550860, 90753833, 181507666, 363015332, 453769165, 907538330, 1815076660]

約数ペア:

[(1, 1815076660), (2, 907538330), (4, 453769165), (5, 363015332), (10, 181507666), (20, 90753833), (31, 58550860), (62, 29275430), (71, 25564460), (124, 14637715), (142, 12782230), (155, 11710172), (284, 6391115), (310, 5855086), (355, 5112892), (620, 2927543), (710, 2556446), (1420, 1278223), (2201, 824660), (4402, 412330), (8804, 206165), (11005, 164932), (22010, 82466), (41233, 44020)]