1520990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 3032640

約数和(自身を除く): 1511650

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 389, 391, 778, 782, 1945, 1955, 3890, 3910, 6613, 8947, 13226, 17894, 33065, 44735, 66130, 89470, 152099, 304198, 760495, 1520990]

約数ペア:

[(1, 1520990), (2, 760495), (5, 304198), (10, 152099), (17, 89470), (23, 66130), (34, 44735), (46, 33065), (85, 17894), (115, 13226), (170, 8947), (230, 6613), (389, 3910), (391, 3890), (778, 1955), (782, 1945)]