30718820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7349}}^1$

素因数の和:7388

約数の個数: 48

約数和(自身を含む): 74088000

約数和(自身を除く): 43369180

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, 7349, 14698, 29396, 36745, 73490, 80839, 139631, 146980, 161678, 279262, 323356, 404195, 558524, 698155, 808390, 1396310, 1535941, 1616780, 2792620, 3071882, 6143764, 7679705, 15359410, 30718820]

約数ペア:

[(1, 30718820), (2, 15359410), (4, 7679705), (5, 6143764), (10, 3071882), (11, 2792620), (19, 1616780), (20, 1535941), (22, 1396310), (38, 808390), (44, 698155), (55, 558524), (76, 404195), (95, 323356), (110, 279262), (190, 161678), (209, 146980), (220, 139631), (380, 80839), (418, 73490), (836, 36745), (1045, 29396), (2090, 14698), (4180, 7349)]