399408045100

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{277}}^1\times {\mathrm{367}}^1\times {\mathrm{389}}^1$

素因数の和:1148

約数の個数: 144

約数和(自身を含む): 883114727040

約数和(自身を除く): 483706681940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 277, 367, 389, 404, 505, 554, 734, 778, 1010, 1108, 1385, 1468, 1556, 1835, 1945, 2020, 2525, 2770, 3670, 3890, 5050, 5540, 6925, 7340, 7780, 9175, 9725, 10100, 13850, 18350, 19450, 27700, 27977, 36700, 37067, 38900, 39289, 55954, 74134, 78578, 101659, 107753, 111908, 139885, 142763, 148268, 157156, 185335, 196445, 203318, 215506, 279770, 285526, 370670, 392890, 406636, 431012, 508295, 538765, 559540, 571052, 699425, 713815, 741340, 785780, 926675, 982225, 1016590, 1077530, 1398850, 1427630, 1853350, 1964450, 2033180, 2155060, 2541475, 2693825, 2797700, 2855260, 3569075, 3706700, 3928900, 5082950, 5387650, 7138150, 10165900, 10267559, 10775300, 10883053, 14276300, 14419063, 20535118, 21766106, 28838126, 39545351, 41070236, 43532212, 51337795, 54415265, 57676252, 72095315, 79090702, 102675590, 108830530, 144190630, 158181404, 197726755, 205351180, 217661060, 256688975, 272076325, 288381260, 360476575, 395453510, 513377950, 544152650, 720953150, 790907020, 988633775, 1026755900, 1088305300, 1441906300, 1977267550, 3954535100, 3994080451, 7988160902, 15976321804, 19970402255, 39940804510, 79881609020, 99852011275, 199704022550, 399408045100]

約数ペア:

[(1, 399408045100), (2, 199704022550), (4, 99852011275), (5, 79881609020), (10, 39940804510), (20, 19970402255), (25, 15976321804), (50, 7988160902), (100, 3994080451), (101, 3954535100), (202, 1977267550), (277, 1441906300), (367, 1088305300), (389, 1026755900), (404, 988633775), (505, 790907020), (554, 720953150), (734, 544152650), (778, 513377950), (1010, 395453510), (1108, 360476575), (1385, 288381260), (1468, 272076325), (1556, 256688975), (1835, 217661060), (1945, 205351180), (2020, 197726755), (2525, 158181404), (2770, 144190630), (3670, 108830530), (3890, 102675590), (5050, 79090702), (5540, 72095315), (6925, 57676252), (7340, 54415265), (7780, 51337795), (9175, 43532212), (9725, 41070236), (10100, 39545351), (13850, 28838126), (18350, 21766106), (19450, 20535118), (27700, 14419063), (27977, 14276300), (36700, 10883053), (37067, 10775300), (38900, 10267559), (39289, 10165900), (55954, 7138150), (74134, 5387650), (78578, 5082950), (101659, 3928900), (107753, 3706700), (111908, 3569075), (139885, 2855260), (142763, 2797700), (148268, 2693825), (157156, 2541475), (185335, 2155060), (196445, 2033180), (203318, 1964450), (215506, 1853350), (279770, 1427630), (285526, 1398850), (370670, 1077530), (392890, 1016590), (406636, 982225), (431012, 926675), (508295, 785780), (538765, 741340), (559540, 713815), (571052, 699425)]