30141980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7211}}^1$

素因数の和:7250

約数の個数: 48

約数和(自身を含む): 72696960

約数和(自身を除く): 42554980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 7211, 14422, 28844, 36055, 72110, 79321, 137009, 144220, 158642, 274018, 317284, 396605, 548036, 685045, 793210, 1370090, 1507099, 1586420, 2740180, 3014198, 6028396, 7535495, 15070990, 30141980]

約数ペア:

[(1, 30141980), (2, 15070990), (4, 7535495), (5, 6028396), (10, 3014198), (11, 2740180), (19, 1586420), (20, 1507099), (22, 1370090), (38, 793210), (44, 685045), (55, 548036), (76, 396605), (95, 317284), (110, 274018), (190, 158642), (209, 144220), (220, 137009), (380, 79321), (418, 72110), (836, 36055), (1045, 28844), (2090, 14422), (4180, 7211)]