72490090

素因数分解:

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

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 135489024

約数和(自身を除く): 62998934

約数列:

[1, 2, 5, 10, 31, 62, 155, 197, 310, 394, 985, 1187, 1970, 2374, 5935, 6107, 11870, 12214, 30535, 36797, 61070, 73594, 183985, 233839, 367970, 467678, 1169195, 2338390, 7249009, 14498018, 36245045, 72490090]

約数ペア:

[(1, 72490090), (2, 36245045), (5, 14498018), (10, 7249009), (31, 2338390), (62, 1169195), (155, 467678), (197, 367970), (310, 233839), (394, 183985), (985, 73594), (1187, 61070), (1970, 36797), (2374, 30535), (5935, 12214), (6107, 11870)]