818675900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1217}}^1$

素因数の和:1300

約数の個数: 108

約数和(自身を含む): 2099646864

約数和(自身を除く): 1280970964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 961, 1085, 1217, 1550, 1922, 2170, 2434, 3100, 3844, 4340, 4805, 4868, 5425, 6085, 6727, 8519, 9610, 10850, 12170, 13454, 17038, 19220, 21700, 24025, 24340, 26908, 30425, 33635, 34076, 37727, 42595, 48050, 60850, 67270, 75454, 85190, 96100, 121700, 134540, 150908, 168175, 170380, 188635, 212975, 264089, 336350, 377270, 425950, 528178, 672700, 754540, 851900, 943175, 1056356, 1169537, 1320445, 1886350, 2339074, 2640890, 3772700, 4678148, 5281780, 5847685, 6602225, 8186759, 11695370, 13204450, 16373518, 23390740, 26408900, 29238425, 32747036, 40933795, 58476850, 81867590, 116953700, 163735180, 204668975, 409337950, 818675900]

約数ペア:

[(1, 818675900), (2, 409337950), (4, 204668975), (5, 163735180), (7, 116953700), (10, 81867590), (14, 58476850), (20, 40933795), (25, 32747036), (28, 29238425), (31, 26408900), (35, 23390740), (50, 16373518), (62, 13204450), (70, 11695370), (100, 8186759), (124, 6602225), (140, 5847685), (155, 5281780), (175, 4678148), (217, 3772700), (310, 2640890), (350, 2339074), (434, 1886350), (620, 1320445), (700, 1169537), (775, 1056356), (868, 943175), (961, 851900), (1085, 754540), (1217, 672700), (1550, 528178), (1922, 425950), (2170, 377270), (2434, 336350), (3100, 264089), (3844, 212975), (4340, 188635), (4805, 170380), (4868, 168175), (5425, 150908), (6085, 134540), (6727, 121700), (8519, 96100), (9610, 85190), (10850, 75454), (12170, 67270), (13454, 60850), (17038, 48050), (19220, 42595), (21700, 37727), (24025, 34076), (24340, 33635), (26908, 30425)]