144980180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1187}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 316141056

約数和(自身を除く): 171160876

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 310, 394, 620, 788, 985, 1187, 1970, 2374, 3940, 4748, 5935, 6107, 11870, 12214, 23740, 24428, 30535, 36797, 61070, 73594, 122140, 147188, 183985, 233839, 367970, 467678, 735940, 935356, 1169195, 2338390, 4676780, 7249009, 14498018, 28996036, 36245045, 72490090, 144980180]

約数ペア:

[(1, 144980180), (2, 72490090), (4, 36245045), (5, 28996036), (10, 14498018), (20, 7249009), (31, 4676780), (62, 2338390), (124, 1169195), (155, 935356), (197, 735940), (310, 467678), (394, 367970), (620, 233839), (788, 183985), (985, 147188), (1187, 122140), (1970, 73594), (2374, 61070), (3940, 36797), (4748, 30535), (5935, 24428), (6107, 23740), (11870, 12214)]