11112220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:92

約数の個数: 144

約数和(自身を含む): 31026240

約数和(自身を除く): 19914020

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 29, 34, 35, 46, 49, 58, 68, 70, 85, 92, 98, 115, 116, 119, 140, 145, 161, 170, 196, 203, 230, 238, 245, 290, 322, 340, 391, 406, 460, 476, 490, 493, 580, 595, 644, 667, 782, 805, 812, 833, 980, 986, 1015, 1127, 1190, 1334, 1421, 1564, 1610, 1666, 1955, 1972, 2030, 2254, 2380, 2465, 2668, 2737, 2842, 3220, 3332, 3335, 3451, 3910, 4060, 4165, 4508, 4669, 4930, 5474, 5635, 5684, 6670, 6902, 7105, 7820, 8330, 9338, 9860, 10948, 11270, 11339, 13340, 13685, 13804, 14210, 16660, 17255, 18676, 19159, 22540, 22678, 23345, 24157, 27370, 28420, 32683, 34510, 38318, 45356, 46690, 48314, 54740, 56695, 65366, 69020, 76636, 79373, 93380, 95795, 96628, 113390, 120785, 130732, 158746, 163415, 191590, 226780, 241570, 317492, 326830, 383180, 396865, 483140, 555611, 653660, 793730, 1111222, 1587460, 2222444, 2778055, 5556110, 11112220]

約数ペア:

[(1, 11112220), (2, 5556110), (4, 2778055), (5, 2222444), (7, 1587460), (10, 1111222), (14, 793730), (17, 653660), (20, 555611), (23, 483140), (28, 396865), (29, 383180), (34, 326830), (35, 317492), (46, 241570), (49, 226780), (58, 191590), (68, 163415), (70, 158746), (85, 130732), (92, 120785), (98, 113390), (115, 96628), (116, 95795), (119, 93380), (140, 79373), (145, 76636), (161, 69020), (170, 65366), (196, 56695), (203, 54740), (230, 48314), (238, 46690), (245, 45356), (290, 38318), (322, 34510), (340, 32683), (391, 28420), (406, 27370), (460, 24157), (476, 23345), (490, 22678), (493, 22540), (580, 19159), (595, 18676), (644, 17255), (667, 16660), (782, 14210), (805, 13804), (812, 13685), (833, 13340), (980, 11339), (986, 11270), (1015, 10948), (1127, 9860), (1190, 9338), (1334, 8330), (1421, 7820), (1564, 7105), (1610, 6902), (1666, 6670), (1955, 5684), (1972, 5635), (2030, 5474), (2254, 4930), (2380, 4669), (2465, 4508), (2668, 4165), (2737, 4060), (2842, 3910), (3220, 3451), (3332, 3335)]