217487820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1033}}^1$

素因数の和:1096

約数の個数: 144

約数和(自身を含む): 693110880

約数和(自身を除く): 475623060

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 121, 132, 145, 165, 174, 220, 242, 290, 319, 330, 348, 363, 435, 484, 580, 605, 638, 660, 726, 870, 957, 1033, 1210, 1276, 1452, 1595, 1740, 1815, 1914, 2066, 2420, 3099, 3190, 3509, 3630, 3828, 4132, 4785, 5165, 6198, 6380, 7018, 7260, 9570, 10330, 10527, 11363, 12396, 14036, 15495, 17545, 19140, 20660, 21054, 22726, 29957, 30990, 34089, 35090, 42108, 45452, 52635, 56815, 59914, 61980, 68178, 70180, 89871, 105270, 113630, 119828, 124993, 136356, 149785, 170445, 179742, 210540, 227260, 249986, 299570, 329527, 340890, 359484, 374979, 449355, 499972, 599140, 624965, 659054, 681780, 749958, 898710, 988581, 1249930, 1318108, 1499916, 1647635, 1797420, 1874895, 1977162, 2499860, 3295270, 3624797, 3749790, 3954324, 4942905, 6590540, 7249594, 7499580, 9885810, 10874391, 14499188, 18123985, 19771620, 21748782, 36247970, 43497564, 54371955, 72495940, 108743910, 217487820]

約数ペア:

[(1, 217487820), (2, 108743910), (3, 72495940), (4, 54371955), (5, 43497564), (6, 36247970), (10, 21748782), (11, 19771620), (12, 18123985), (15, 14499188), (20, 10874391), (22, 9885810), (29, 7499580), (30, 7249594), (33, 6590540), (44, 4942905), (55, 3954324), (58, 3749790), (60, 3624797), (66, 3295270), (87, 2499860), (110, 1977162), (116, 1874895), (121, 1797420), (132, 1647635), (145, 1499916), (165, 1318108), (174, 1249930), (220, 988581), (242, 898710), (290, 749958), (319, 681780), (330, 659054), (348, 624965), (363, 599140), (435, 499972), (484, 449355), (580, 374979), (605, 359484), (638, 340890), (660, 329527), (726, 299570), (870, 249986), (957, 227260), (1033, 210540), (1210, 179742), (1276, 170445), (1452, 149785), (1595, 136356), (1740, 124993), (1815, 119828), (1914, 113630), (2066, 105270), (2420, 89871), (3099, 70180), (3190, 68178), (3509, 61980), (3630, 59914), (3828, 56815), (4132, 52635), (4785, 45452), (5165, 42108), (6198, 35090), (6380, 34089), (7018, 30990), (7260, 29957), (9570, 22726), (10330, 21054), (10527, 20660), (11363, 19140), (12396, 17545), (14036, 15495)]