428751925

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 626959872

約数和(自身を除く): 198207947

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 227, 251, 301, 1075, 1135, 1255, 1505, 1589, 1757, 5675, 6275, 7525, 7945, 8785, 9761, 10793, 39725, 43925, 48805, 53965, 56977, 68327, 75551, 244025, 269825, 284885, 341635, 377755, 398839, 1424425, 1708175, 1888775, 1994195, 2450011, 9970975, 12250055, 17150077, 61250275, 85750385, 428751925]

約数ペア:

[(1, 428751925), (5, 85750385), (7, 61250275), (25, 17150077), (35, 12250055), (43, 9970975), (175, 2450011), (215, 1994195), (227, 1888775), (251, 1708175), (301, 1424425), (1075, 398839), (1135, 377755), (1255, 341635), (1505, 284885), (1589, 269825), (1757, 244025), (5675, 75551), (6275, 68327), (7525, 56977), (7945, 53965), (8785, 48805), (9761, 43925), (10793, 39725)]