128525780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6197}}^1$

素因数の和:6284

約数の個数: 48

約数和(自身を含む): 290512656

約数和(自身を除く): 161986876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 6197, 10370, 12394, 20740, 24788, 30985, 61970, 105349, 123940, 210698, 378017, 421396, 526745, 756034, 1053490, 1512068, 1890085, 2106980, 3780170, 6426289, 7560340, 12852578, 25705156, 32131445, 64262890, 128525780]

約数ペア:

[(1, 128525780), (2, 64262890), (4, 32131445), (5, 25705156), (10, 12852578), (17, 7560340), (20, 6426289), (34, 3780170), (61, 2106980), (68, 1890085), (85, 1512068), (122, 1053490), (170, 756034), (244, 526745), (305, 421396), (340, 378017), (610, 210698), (1037, 123940), (1220, 105349), (2074, 61970), (4148, 30985), (5185, 24788), (6197, 20740), (10370, 12394)]