308045140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{38219}}^1$

素因数の和:38272

約数の個数: 48

約数和(自身を含む): 719147520

約数和(自身を除く): 411102380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 38219, 76438, 152876, 191095, 382190, 496847, 764380, 993694, 1184789, 1987388, 2369578, 2484235, 4739156, 4968470, 5923945, 9936940, 11847890, 15402257, 23695780, 30804514, 61609028, 77011285, 154022570, 308045140]

約数ペア:

[(1, 308045140), (2, 154022570), (4, 77011285), (5, 61609028), (10, 30804514), (13, 23695780), (20, 15402257), (26, 11847890), (31, 9936940), (52, 5923945), (62, 4968470), (65, 4739156), (124, 2484235), (130, 2369578), (155, 1987388), (260, 1184789), (310, 993694), (403, 764380), (620, 496847), (806, 382190), (1612, 191095), (2015, 152876), (4030, 76438), (8060, 38219)]