1922720

素因数分解:

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

素因数の和:273

約数の個数: 48

約数和(自身を含む): 4640328

約数和(自身を除く): 2717608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 197, 244, 305, 394, 488, 610, 788, 976, 985, 1220, 1576, 1952, 1970, 2440, 3152, 3940, 4880, 6304, 7880, 9760, 12017, 15760, 24034, 31520, 48068, 60085, 96136, 120170, 192272, 240340, 384544, 480680, 961360, 1922720]

約数ペア:

[(1, 1922720), (2, 961360), (4, 480680), (5, 384544), (8, 240340), (10, 192272), (16, 120170), (20, 96136), (32, 60085), (40, 48068), (61, 31520), (80, 24034), (122, 15760), (160, 12017), (197, 9760), (244, 7880), (305, 6304), (394, 4880), (488, 3940), (610, 3152), (788, 2440), (976, 1970), (985, 1952), (1220, 1576)]