272163980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{65111}}^1$

素因数の和:65150

約数の個数: 48

約数和(自身を含む): 656328960

約数和(自身を除く): 384164980

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, 65111, 130222, 260444, 325555, 651110, 716221, 1237109, 1302220, 1432442, 2474218, 2864884, 3581105, 4948436, 6185545, 7162210, 12371090, 13608199, 14324420, 24742180, 27216398, 54432796, 68040995, 136081990, 272163980]

約数ペア:

[(1, 272163980), (2, 136081990), (4, 68040995), (5, 54432796), (10, 27216398), (11, 24742180), (19, 14324420), (20, 13608199), (22, 12371090), (38, 7162210), (44, 6185545), (55, 4948436), (76, 3581105), (95, 2864884), (110, 2474218), (190, 1432442), (209, 1302220), (220, 1237109), (380, 716221), (418, 651110), (836, 325555), (1045, 260444), (2090, 130222), (4180, 65111)]