329771980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{3823}}^1$

素因数の和:4078

約数の個数: 48

約数和(自身を含む): 732372480

約数和(自身を除く): 402600500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 908, 1135, 2270, 3823, 4313, 4540, 7646, 8626, 15292, 17252, 19115, 21565, 38230, 43130, 72637, 76460, 86260, 145274, 290548, 363185, 726370, 867821, 1452740, 1735642, 3471284, 4339105, 8678210, 16488599, 17356420, 32977198, 65954396, 82442995, 164885990, 329771980]

約数ペア:

[(1, 329771980), (2, 164885990), (4, 82442995), (5, 65954396), (10, 32977198), (19, 17356420), (20, 16488599), (38, 8678210), (76, 4339105), (95, 3471284), (190, 1735642), (227, 1452740), (380, 867821), (454, 726370), (908, 363185), (1135, 290548), (2270, 145274), (3823, 86260), (4313, 76460), (4540, 72637), (7646, 43130), (8626, 38230), (15292, 21565), (17252, 19115)]