480680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 1104840

約数和(自身を除く): 624160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 197, 244, 305, 394, 488, 610, 788, 985, 1220, 1576, 1970, 2440, 3940, 7880, 12017, 24034, 48068, 60085, 96136, 120170, 240340, 480680]

約数ペア:

[(1, 480680), (2, 240340), (4, 120170), (5, 96136), (8, 60085), (10, 48068), (20, 24034), (40, 12017), (61, 7880), (122, 3940), (197, 2440), (244, 1970), (305, 1576), (394, 1220), (488, 985), (610, 788)]