647029450

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{523}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 1222198560

約数和(自身を除く): 575169110

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 227, 454, 523, 545, 1046, 1090, 1135, 2270, 2615, 2725, 5230, 5450, 5675, 11350, 13075, 24743, 26150, 49486, 57007, 114014, 118721, 123715, 237442, 247430, 285035, 570070, 593605, 618575, 1187210, 1237150, 1425175, 2850350, 2968025, 5936050, 12940589, 25881178, 64702945, 129405890, 323514725, 647029450]

約数ペア:

[(1, 647029450), (2, 323514725), (5, 129405890), (10, 64702945), (25, 25881178), (50, 12940589), (109, 5936050), (218, 2968025), (227, 2850350), (454, 1425175), (523, 1237150), (545, 1187210), (1046, 618575), (1090, 593605), (1135, 570070), (2270, 285035), (2615, 247430), (2725, 237442), (5230, 123715), (5450, 118721), (5675, 114014), (11350, 57007), (13075, 49486), (24743, 26150)]