128858420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 296932608

約数和(自身を除く): 168074188

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 67, 74, 92, 113, 115, 134, 148, 185, 226, 230, 268, 335, 370, 452, 460, 565, 670, 740, 851, 1130, 1340, 1541, 1702, 2260, 2479, 2599, 3082, 3404, 4181, 4255, 4958, 5198, 6164, 7571, 7705, 8362, 8510, 9916, 10396, 12395, 12995, 15142, 15410, 16724, 17020, 20905, 24790, 25990, 30284, 30820, 37855, 41810, 49580, 51980, 57017, 75710, 83620, 96163, 114034, 151420, 174133, 192326, 228068, 280127, 285085, 348266, 384652, 480815, 560254, 570170, 696532, 870665, 961630, 1120508, 1140340, 1400635, 1741330, 1923260, 2801270, 3482660, 5602540, 6442921, 12885842, 25771684, 32214605, 64429210, 128858420]

約数ペア:

[(1, 128858420), (2, 64429210), (4, 32214605), (5, 25771684), (10, 12885842), (20, 6442921), (23, 5602540), (37, 3482660), (46, 2801270), (67, 1923260), (74, 1741330), (92, 1400635), (113, 1140340), (115, 1120508), (134, 961630), (148, 870665), (185, 696532), (226, 570170), (230, 560254), (268, 480815), (335, 384652), (370, 348266), (452, 285085), (460, 280127), (565, 228068), (670, 192326), (740, 174133), (851, 151420), (1130, 114034), (1340, 96163), (1541, 83620), (1702, 75710), (2260, 57017), (2479, 51980), (2599, 49580), (3082, 41810), (3404, 37855), (4181, 30820), (4255, 30284), (4958, 25990), (5198, 24790), (6164, 20905), (7571, 17020), (7705, 16724), (8362, 15410), (8510, 15142), (9916, 12995), (10396, 12395)]