397364620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1\times {\mathrm{809}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 857304000

約数和(自身を除く): 459939380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 599, 809, 820, 1198, 1618, 2396, 2995, 3236, 4045, 5990, 8090, 11980, 16180, 24559, 33169, 49118, 66338, 98236, 122795, 132676, 165845, 245590, 331690, 484591, 491180, 663380, 969182, 1938364, 2422955, 4845910, 9691820, 19868231, 39736462, 79472924, 99341155, 198682310, 397364620]

約数ペア:

[(1, 397364620), (2, 198682310), (4, 99341155), (5, 79472924), (10, 39736462), (20, 19868231), (41, 9691820), (82, 4845910), (164, 2422955), (205, 1938364), (410, 969182), (599, 663380), (809, 491180), (820, 484591), (1198, 331690), (1618, 245590), (2396, 165845), (2995, 132676), (3236, 122795), (4045, 98236), (5990, 66338), (8090, 49118), (11980, 33169), (16180, 24559)]