407899980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2909}}^1$

素因数の和:2984

約数の個数: 144

約数和(自身を含む): 1334642400

約数和(自身を除く): 926742420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 410, 492, 570, 615, 684, 738, 779, 820, 855, 1140, 1230, 1476, 1558, 1710, 1845, 2337, 2460, 2909, 3116, 3420, 3690, 3895, 4674, 5818, 7011, 7380, 7790, 8727, 9348, 11636, 11685, 14022, 14545, 15580, 17454, 23370, 26181, 28044, 29090, 34908, 35055, 43635, 46740, 52362, 55271, 58180, 70110, 87270, 104724, 110542, 119269, 130905, 140220, 165813, 174540, 221084, 238538, 261810, 276355, 331626, 357807, 477076, 497439, 523620, 552710, 596345, 663252, 715614, 829065, 994878, 1073421, 1105420, 1192690, 1431228, 1658130, 1789035, 1989756, 2146842, 2266111, 2385380, 2487195, 3316260, 3578070, 4293684, 4532222, 4974390, 5367105, 6798333, 7156140, 9064444, 9948780, 10734210, 11330555, 13596666, 20394999, 21468420, 22661110, 27193332, 33991665, 40789998, 45322220, 67983330, 81579996, 101974995, 135966660, 203949990, 407899980]

約数ペア:

[(1, 407899980), (2, 203949990), (3, 135966660), (4, 101974995), (5, 81579996), (6, 67983330), (9, 45322220), (10, 40789998), (12, 33991665), (15, 27193332), (18, 22661110), (19, 21468420), (20, 20394999), (30, 13596666), (36, 11330555), (38, 10734210), (41, 9948780), (45, 9064444), (57, 7156140), (60, 6798333), (76, 5367105), (82, 4974390), (90, 4532222), (95, 4293684), (114, 3578070), (123, 3316260), (164, 2487195), (171, 2385380), (180, 2266111), (190, 2146842), (205, 1989756), (228, 1789035), (246, 1658130), (285, 1431228), (342, 1192690), (369, 1105420), (380, 1073421), (410, 994878), (492, 829065), (570, 715614), (615, 663252), (684, 596345), (738, 552710), (779, 523620), (820, 497439), (855, 477076), (1140, 357807), (1230, 331626), (1476, 276355), (1558, 261810), (1710, 238538), (1845, 221084), (2337, 174540), (2460, 165813), (2909, 140220), (3116, 130905), (3420, 119269), (3690, 110542), (3895, 104724), (4674, 87270), (5818, 70110), (7011, 58180), (7380, 55271), (7790, 52362), (8727, 46740), (9348, 43635), (11636, 35055), (11685, 34908), (14022, 29090), (14545, 28044), (15580, 26181), (17454, 23370)]