251010390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{8443}}^1$

素因数の和:9444

約数の個数: 32

約数和(自身を含む): 603104256

約数和(自身を除く): 352093866

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 991, 1982, 2973, 4955, 5946, 8443, 9910, 14865, 16886, 25329, 29730, 42215, 50658, 84430, 126645, 253290, 8367013, 16734026, 25101039, 41835065, 50202078, 83670130, 125505195, 251010390]

約数ペア:

[(1, 251010390), (2, 125505195), (3, 83670130), (5, 50202078), (6, 41835065), (10, 25101039), (15, 16734026), (30, 8367013), (991, 253290), (1982, 126645), (2973, 84430), (4955, 50658), (5946, 42215), (8443, 29730), (9910, 25329), (14865, 16886)]