409684220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 1006731264

約数和(自身を除く): 597047044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 43, 44, 55, 62, 86, 110, 121, 124, 127, 155, 172, 215, 220, 242, 254, 310, 341, 430, 473, 484, 508, 605, 620, 635, 682, 860, 946, 1210, 1270, 1333, 1364, 1397, 1705, 1892, 2365, 2420, 2540, 2666, 2794, 3410, 3751, 3937, 4730, 5203, 5332, 5461, 5588, 6665, 6820, 6985, 7502, 7874, 9460, 10406, 10922, 13330, 13970, 14663, 15004, 15367, 15748, 18755, 19685, 20812, 21844, 26015, 26660, 27305, 27940, 29326, 30734, 37510, 39370, 43307, 52030, 54610, 58652, 60071, 61468, 73315, 75020, 76835, 78740, 86614, 104060, 109220, 120142, 146630, 153670, 161293, 169291, 173228, 216535, 240284, 293260, 300355, 307340, 322586, 338582, 433070, 476377, 600710, 645172, 660781, 677164, 806465, 846455, 866140, 952754, 1201420, 1321562, 1612930, 1692910, 1862201, 1905508, 2381885, 2643124, 3225860, 3303905, 3385820, 3724402, 4763770, 6607810, 7448804, 9311005, 9527540, 13215620, 18622010, 20484211, 37244020, 40968422, 81936844, 102421055, 204842110, 409684220]

約数ペア:

[(1, 409684220), (2, 204842110), (4, 102421055), (5, 81936844), (10, 40968422), (11, 37244020), (20, 20484211), (22, 18622010), (31, 13215620), (43, 9527540), (44, 9311005), (55, 7448804), (62, 6607810), (86, 4763770), (110, 3724402), (121, 3385820), (124, 3303905), (127, 3225860), (155, 2643124), (172, 2381885), (215, 1905508), (220, 1862201), (242, 1692910), (254, 1612930), (310, 1321562), (341, 1201420), (430, 952754), (473, 866140), (484, 846455), (508, 806465), (605, 677164), (620, 660781), (635, 645172), (682, 600710), (860, 476377), (946, 433070), (1210, 338582), (1270, 322586), (1333, 307340), (1364, 300355), (1397, 293260), (1705, 240284), (1892, 216535), (2365, 173228), (2420, 169291), (2540, 161293), (2666, 153670), (2794, 146630), (3410, 120142), (3751, 109220), (3937, 104060), (4730, 86614), (5203, 78740), (5332, 76835), (5461, 75020), (5588, 73315), (6665, 61468), (6820, 60071), (6985, 58652), (7502, 54610), (7874, 52030), (9460, 43307), (10406, 39370), (10922, 37510), (13330, 30734), (13970, 29326), (14663, 27940), (15004, 27305), (15367, 26660), (15748, 26015), (18755, 21844), (19685, 20812)]