2009094100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21767}}^1$

素因数の和:21865

約数の個数: 72

約数和(自身を含む): 4761445248

約数和(自身を除く): 2752351148

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 130, 142, 260, 284, 325, 355, 650, 710, 923, 1300, 1420, 1775, 1846, 3550, 3692, 4615, 7100, 9230, 18460, 21767, 23075, 43534, 46150, 87068, 92300, 108835, 217670, 282971, 435340, 544175, 565942, 1088350, 1131884, 1414855, 1545457, 2176700, 2829710, 3090914, 5659420, 6181828, 7074275, 7727285, 14148550, 15454570, 20090941, 28297100, 30909140, 38636425, 40181882, 77272850, 80363764, 100454705, 154545700, 200909410, 401818820, 502273525, 1004547050, 2009094100]

約数ペア:

[(1, 2009094100), (2, 1004547050), (4, 502273525), (5, 401818820), (10, 200909410), (13, 154545700), (20, 100454705), (25, 80363764), (26, 77272850), (50, 40181882), (52, 38636425), (65, 30909140), (71, 28297100), (100, 20090941), (130, 15454570), (142, 14148550), (260, 7727285), (284, 7074275), (325, 6181828), (355, 5659420), (650, 3090914), (710, 2829710), (923, 2176700), (1300, 1545457), (1420, 1414855), (1775, 1131884), (1846, 1088350), (3550, 565942), (3692, 544175), (4615, 435340), (7100, 282971), (9230, 217670), (18460, 108835), (21767, 92300), (23075, 87068), (43534, 46150)]