216408500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 216

約数和(自身を含む): 612605448

約数和(自身を除く): 396196948

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 73, 77, 98, 100, 110, 121, 125, 140, 146, 154, 175, 196, 220, 242, 245, 250, 275, 292, 308, 350, 365, 385, 484, 490, 500, 511, 539, 550, 605, 700, 730, 770, 803, 847, 875, 980, 1022, 1078, 1100, 1210, 1225, 1375, 1460, 1540, 1606, 1694, 1750, 1825, 1925, 2044, 2156, 2420, 2450, 2555, 2695, 2750, 3025, 3212, 3388, 3500, 3577, 3650, 3850, 4015, 4235, 4900, 5110, 5390, 5500, 5621, 5929, 6050, 6125, 7154, 7300, 7700, 8030, 8470, 8833, 9125, 9625, 10220, 10780, 11242, 11858, 12100, 12250, 12775, 13475, 14308, 15125, 16060, 16940, 17666, 17885, 18250, 19250, 20075, 21175, 22484, 23716, 24500, 25550, 26950, 28105, 29645, 30250, 35332, 35770, 36500, 38500, 39347, 40150, 42350, 44165, 51100, 53900, 56210, 59290, 60500, 61831, 63875, 67375, 71540, 78694, 80300, 84700, 88330, 89425, 100375, 105875, 112420, 118580, 123662, 127750, 134750, 140525, 148225, 157388, 176660, 178850, 196735, 200750, 211750, 220825, 247324, 255500, 269500, 281050, 296450, 309155, 357700, 393470, 401500, 423500, 432817, 441650, 447125, 562100, 592900, 618310, 702625, 741125, 786940, 865634, 883300, 894250, 983675, 1104125, 1236620, 1405250, 1482250, 1545775, 1731268, 1788500, 1967350, 2164085, 2208250, 2810500, 2964500, 3091550, 3934700, 4328170, 4416500, 4918375, 6183100, 7728875, 8656340, 9836750, 10820425, 15457750, 19673500, 21640850, 30915500, 43281700, 54102125, 108204250, 216408500]

約数ペア:

[(1, 216408500), (2, 108204250), (4, 54102125), (5, 43281700), (7, 30915500), (10, 21640850), (11, 19673500), (14, 15457750), (20, 10820425), (22, 9836750), (25, 8656340), (28, 7728875), (35, 6183100), (44, 4918375), (49, 4416500), (50, 4328170), (55, 3934700), (70, 3091550), (73, 2964500), (77, 2810500), (98, 2208250), (100, 2164085), (110, 1967350), (121, 1788500), (125, 1731268), (140, 1545775), (146, 1482250), (154, 1405250), (175, 1236620), (196, 1104125), (220, 983675), (242, 894250), (245, 883300), (250, 865634), (275, 786940), (292, 741125), (308, 702625), (350, 618310), (365, 592900), (385, 562100), (484, 447125), (490, 441650), (500, 432817), (511, 423500), (539, 401500), (550, 393470), (605, 357700), (700, 309155), (730, 296450), (770, 281050), (803, 269500), (847, 255500), (875, 247324), (980, 220825), (1022, 211750), (1078, 200750), (1100, 196735), (1210, 178850), (1225, 176660), (1375, 157388), (1460, 148225), (1540, 140525), (1606, 134750), (1694, 127750), (1750, 123662), (1825, 118580), (1925, 112420), (2044, 105875), (2156, 100375), (2420, 89425), (2450, 88330), (2555, 84700), (2695, 80300), (2750, 78694), (3025, 71540), (3212, 67375), (3388, 63875), (3500, 61831), (3577, 60500), (3650, 59290), (3850, 56210), (4015, 53900), (4235, 51100), (4900, 44165), (5110, 42350), (5390, 40150), (5500, 39347), (5621, 38500), (5929, 36500), (6050, 35770), (6125, 35332), (7154, 30250), (7300, 29645), (7700, 28105), (8030, 26950), (8470, 25550), (8833, 24500), (9125, 23716), (9625, 22484), (10220, 21175), (10780, 20075), (11242, 19250), (11858, 18250), (12100, 17885), (12250, 17666), (12775, 16940), (13475, 16060), (14308, 15125)]