290949880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18049}}^1$

素因数の和:18104

約数の個数: 64

約数和(自身を含む): 727776000

約数和(自身を除く): 436826120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 18049, 36098, 72196, 90245, 144392, 180490, 234637, 360980, 469274, 559519, 721960, 938548, 1119038, 1173185, 1877096, 2238076, 2346370, 2797595, 4476152, 4692740, 5595190, 7273747, 9385480, 11190380, 14547494, 22380760, 29094988, 36368735, 58189976, 72737470, 145474940, 290949880]

約数ペア:

[(1, 290949880), (2, 145474940), (4, 72737470), (5, 58189976), (8, 36368735), (10, 29094988), (13, 22380760), (20, 14547494), (26, 11190380), (31, 9385480), (40, 7273747), (52, 5595190), (62, 4692740), (65, 4476152), (104, 2797595), (124, 2346370), (130, 2238076), (155, 1877096), (248, 1173185), (260, 1119038), (310, 938548), (403, 721960), (520, 559519), (620, 469274), (806, 360980), (1240, 234637), (1612, 180490), (2015, 144392), (3224, 90245), (4030, 72196), (8060, 36098), (16120, 18049)]