225454940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4603}}^1$

素因数の和:4722

約数の個数: 48

約数和(自身を含む): 495022080

約数和(自身を除く): 269567140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4603, 4898, 9206, 9796, 12245, 18412, 23015, 24490, 46030, 48980, 92060, 142693, 285386, 363637, 570772, 713465, 727274, 1426930, 1454548, 1818185, 2853860, 3636370, 7272740, 11272747, 22545494, 45090988, 56363735, 112727470, 225454940]

約数ペア:

[(1, 225454940), (2, 112727470), (4, 56363735), (5, 45090988), (10, 22545494), (20, 11272747), (31, 7272740), (62, 3636370), (79, 2853860), (124, 1818185), (155, 1454548), (158, 1426930), (310, 727274), (316, 713465), (395, 570772), (620, 363637), (790, 285386), (1580, 142693), (2449, 92060), (4603, 48980), (4898, 46030), (9206, 24490), (9796, 23015), (12245, 18412)]