22215940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 52422552

約数和(自身を除く): 30206612

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 181, 190, 323, 340, 361, 362, 380, 646, 722, 724, 905, 1292, 1444, 1615, 1805, 1810, 3077, 3230, 3439, 3610, 3620, 6137, 6154, 6460, 6878, 7220, 12274, 12308, 13756, 15385, 17195, 24548, 30685, 30770, 34390, 58463, 61370, 61540, 65341, 68780, 116926, 122740, 130682, 233852, 261364, 292315, 326705, 584630, 653410, 1110797, 1169260, 1306820, 2221594, 4443188, 5553985, 11107970, 22215940]

約数ペア:

[(1, 22215940), (2, 11107970), (4, 5553985), (5, 4443188), (10, 2221594), (17, 1306820), (19, 1169260), (20, 1110797), (34, 653410), (38, 584630), (68, 326705), (76, 292315), (85, 261364), (95, 233852), (170, 130682), (181, 122740), (190, 116926), (323, 68780), (340, 65341), (361, 61540), (362, 61370), (380, 58463), (646, 34390), (722, 30770), (724, 30685), (905, 24548), (1292, 17195), (1444, 15385), (1615, 13756), (1805, 12308), (1810, 12274), (3077, 7220), (3230, 6878), (3439, 6460), (3610, 6154), (3620, 6137)]