2019292900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:330

約数の個数: 108

約数和(自身を含む): 4581029712

約数和(自身を除く): 2561736812

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 67, 86, 100, 134, 163, 172, 215, 268, 326, 335, 430, 652, 670, 815, 860, 1075, 1340, 1630, 1675, 1849, 2150, 2881, 3260, 3350, 3698, 4075, 4300, 5762, 6700, 7009, 7396, 8150, 9245, 10921, 11524, 14018, 14405, 16300, 18490, 21842, 28036, 28810, 35045, 36980, 43684, 46225, 54605, 57620, 70090, 72025, 92450, 109210, 123883, 140180, 144050, 175225, 184900, 218420, 247766, 273025, 288100, 301387, 350450, 469603, 495532, 546050, 602774, 619415, 700900, 939206, 1092100, 1205548, 1238830, 1506935, 1878412, 2348015, 2477660, 3013870, 3097075, 4696030, 6027740, 6194150, 7534675, 9392060, 11740075, 12388300, 15069350, 20192929, 23480150, 30138700, 40385858, 46960300, 80771716, 100964645, 201929290, 403858580, 504823225, 1009646450, 2019292900]

約数ペア:

[(1, 2019292900), (2, 1009646450), (4, 504823225), (5, 403858580), (10, 201929290), (20, 100964645), (25, 80771716), (43, 46960300), (50, 40385858), (67, 30138700), (86, 23480150), (100, 20192929), (134, 15069350), (163, 12388300), (172, 11740075), (215, 9392060), (268, 7534675), (326, 6194150), (335, 6027740), (430, 4696030), (652, 3097075), (670, 3013870), (815, 2477660), (860, 2348015), (1075, 1878412), (1340, 1506935), (1630, 1238830), (1675, 1205548), (1849, 1092100), (2150, 939206), (2881, 700900), (3260, 619415), (3350, 602774), (3698, 546050), (4075, 495532), (4300, 469603), (5762, 350450), (6700, 301387), (7009, 288100), (7396, 273025), (8150, 247766), (9245, 218420), (10921, 184900), (11524, 175225), (14018, 144050), (14405, 140180), (16300, 123883), (18490, 109210), (21842, 92450), (28036, 72025), (28810, 70090), (35045, 57620), (36980, 54605), (43684, 46225)]