4920391009625

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{145009}}^1$

素因数の和:145220

約数の個数: 128

約数和(自身を含む): 8006222515200

約数和(自身を除く): 3085831505575

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 125, 133, 157, 175, 247, 325, 455, 475, 665, 785, 875, 1099, 1235, 1625, 1729, 2041, 2275, 2375, 2983, 3325, 3925, 5495, 6175, 8645, 10205, 11375, 14287, 14915, 16625, 19625, 20881, 27475, 30875, 38779, 43225, 51025, 71435, 74575, 104405, 137375, 145009, 193895, 216125, 255125, 271453, 357175, 372875, 522025, 725045, 969475, 1015063, 1357265, 1785875, 1885117, 2610125, 2755171, 3625225, 4847375, 5075315, 6786325, 9425585, 13195819, 13775855, 18126125, 19286197, 22766413, 25376575, 33931625, 35817223, 47127925, 65979095, 68879275, 96430985, 113832065, 126882875, 159364891, 179086115, 235639625, 250720561, 295963369, 329895475, 344396375, 432561847, 482154925, 569160325, 796824455, 895430575, 1253602805, 1479816845, 1649477375, 2071743583, 2162809235, 2410774625, 2845801625, 3027932929, 3984122275, 4477152875, 5623304011, 6268014025, 7399084225, 10358717915, 10814046175, 15139664645, 19920611375, 28116520055, 31340070125, 36995421125, 39363128077, 51793589575, 54070230875, 75698323225, 140582600275, 196815640385, 258967947875, 378491616125, 702913001375, 984078201925, 4920391009625]

約数ペア:

[(1, 4920391009625), (5, 984078201925), (7, 702913001375), (13, 378491616125), (19, 258967947875), (25, 196815640385), (35, 140582600275), (65, 75698323225), (91, 54070230875), (95, 51793589575), (125, 39363128077), (133, 36995421125), (157, 31340070125), (175, 28116520055), (247, 19920611375), (325, 15139664645), (455, 10814046175), (475, 10358717915), (665, 7399084225), (785, 6268014025), (875, 5623304011), (1099, 4477152875), (1235, 3984122275), (1625, 3027932929), (1729, 2845801625), (2041, 2410774625), (2275, 2162809235), (2375, 2071743583), (2983, 1649477375), (3325, 1479816845), (3925, 1253602805), (5495, 895430575), (6175, 796824455), (8645, 569160325), (10205, 482154925), (11375, 432561847), (14287, 344396375), (14915, 329895475), (16625, 295963369), (19625, 250720561), (20881, 235639625), (27475, 179086115), (30875, 159364891), (38779, 126882875), (43225, 113832065), (51025, 96430985), (71435, 68879275), (74575, 65979095), (104405, 47127925), (137375, 35817223), (145009, 33931625), (193895, 25376575), (216125, 22766413), (255125, 19286197), (271453, 18126125), (357175, 13775855), (372875, 13195819), (522025, 9425585), (725045, 6786325), (969475, 5075315), (1015063, 4847375), (1357265, 3625225), (1785875, 2755171), (1885117, 2610125)]