2912505025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 4157733888

約数和(自身を除く): 1245228863

約数列:

[1, 5, 17, 25, 31, 43, 53, 85, 97, 155, 215, 265, 425, 485, 527, 731, 775, 901, 1075, 1325, 1333, 1643, 1649, 2279, 2425, 2635, 3007, 3655, 4171, 4505, 5141, 6665, 8215, 8245, 11395, 13175, 15035, 18275, 20855, 22525, 22661, 25705, 27931, 33325, 38743, 41075, 41225, 51119, 56975, 70649, 70907, 75175, 87397, 104275, 113305, 128525, 129301, 139655, 159371, 193715, 221063, 255595, 353245, 354535, 436985, 566525, 646505, 698275, 796855, 968575, 1105315, 1201033, 1277975, 1766225, 1772675, 2184925, 2198117, 2709307, 3232525, 3758071, 3984275, 5526575, 6005165, 6852953, 10990585, 13546535, 18790355, 30025825, 34264765, 54952925, 67732675, 93951775, 116500201, 171323825, 582501005, 2912505025]

約数ペア:

[(1, 2912505025), (5, 582501005), (17, 171323825), (25, 116500201), (31, 93951775), (43, 67732675), (53, 54952925), (85, 34264765), (97, 30025825), (155, 18790355), (215, 13546535), (265, 10990585), (425, 6852953), (485, 6005165), (527, 5526575), (731, 3984275), (775, 3758071), (901, 3232525), (1075, 2709307), (1325, 2198117), (1333, 2184925), (1643, 1772675), (1649, 1766225), (2279, 1277975), (2425, 1201033), (2635, 1105315), (3007, 968575), (3655, 796855), (4171, 698275), (4505, 646505), (5141, 566525), (6665, 436985), (8215, 354535), (8245, 353245), (11395, 255595), (13175, 221063), (15035, 193715), (18275, 159371), (20855, 139655), (22525, 129301), (22661, 128525), (25705, 113305), (27931, 104275), (33325, 87397), (38743, 75175), (41075, 70907), (41225, 70649), (51119, 56975)]