19997776500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{35363}}^1$

素因数の和:35427

約数の個数: 192

約数和(自身を含む): 64877379840

約数和(自身を除く): 44879603340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 29, 30, 39, 50, 52, 58, 60, 65, 75, 78, 87, 100, 116, 125, 130, 145, 150, 156, 174, 195, 250, 260, 290, 300, 325, 348, 375, 377, 390, 435, 500, 580, 650, 725, 750, 754, 780, 870, 975, 1131, 1300, 1450, 1500, 1508, 1625, 1740, 1885, 1950, 2175, 2262, 2900, 3250, 3625, 3770, 3900, 4350, 4524, 4875, 5655, 6500, 7250, 7540, 8700, 9425, 9750, 10875, 11310, 14500, 18850, 19500, 21750, 22620, 28275, 35363, 37700, 43500, 47125, 56550, 70726, 94250, 106089, 113100, 141375, 141452, 176815, 188500, 212178, 282750, 353630, 424356, 459719, 530445, 565500, 707260, 884075, 919438, 1025527, 1060890, 1379157, 1768150, 1838876, 2051054, 2121780, 2298595, 2652225, 2758314, 3076581, 3536300, 4102108, 4420375, 4597190, 5127635, 5304450, 5516628, 6153162, 6895785, 8840750, 9194380, 10255270, 10608900, 11492975, 12306324, 13261125, 13331851, 13791570, 15382905, 17681500, 20510540, 22985950, 25638175, 26522250, 26663702, 27583140, 30765810, 34478925, 39995553, 45971900, 51276350, 53044500, 53327404, 57464875, 61531620, 66659255, 68957850, 76914525, 79991106, 102552700, 114929750, 128190875, 133318510, 137915700, 153829050, 159982212, 172394625, 199977765, 229859500, 256381750, 266637020, 307658100, 333296275, 344789250, 384572625, 399955530, 512763500, 666592550, 689578500, 769145250, 799911060, 999888825, 1333185100, 1538290500, 1666481375, 1999777650, 3332962750, 3999555300, 4999444125, 6665925500, 9998888250, 19997776500]

約数ペア:

[(1, 19997776500), (2, 9998888250), (3, 6665925500), (4, 4999444125), (5, 3999555300), (6, 3332962750), (10, 1999777650), (12, 1666481375), (13, 1538290500), (15, 1333185100), (20, 999888825), (25, 799911060), (26, 769145250), (29, 689578500), (30, 666592550), (39, 512763500), (50, 399955530), (52, 384572625), (58, 344789250), (60, 333296275), (65, 307658100), (75, 266637020), (78, 256381750), (87, 229859500), (100, 199977765), (116, 172394625), (125, 159982212), (130, 153829050), (145, 137915700), (150, 133318510), (156, 128190875), (174, 114929750), (195, 102552700), (250, 79991106), (260, 76914525), (290, 68957850), (300, 66659255), (325, 61531620), (348, 57464875), (375, 53327404), (377, 53044500), (390, 51276350), (435, 45971900), (500, 39995553), (580, 34478925), (650, 30765810), (725, 27583140), (750, 26663702), (754, 26522250), (780, 25638175), (870, 22985950), (975, 20510540), (1131, 17681500), (1300, 15382905), (1450, 13791570), (1500, 13331851), (1508, 13261125), (1625, 12306324), (1740, 11492975), (1885, 10608900), (1950, 10255270), (2175, 9194380), (2262, 8840750), (2900, 6895785), (3250, 6153162), (3625, 5516628), (3770, 5304450), (3900, 5127635), (4350, 4597190), (4524, 4420375), (4875, 4102108), (5655, 3536300), (6500, 3076581), (7250, 2758314), (7540, 2652225), (8700, 2298595), (9425, 2121780), (9750, 2051054), (10875, 1838876), (11310, 1768150), (14500, 1379157), (18850, 1060890), (19500, 1025527), (21750, 919438), (22620, 884075), (28275, 707260), (35363, 565500), (37700, 530445), (43500, 459719), (47125, 424356), (56550, 353630), (70726, 282750), (94250, 212178), (106089, 188500), (113100, 176815), (141375, 141452)]