18798519350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{2281}}^1$

素因数の和:2746

約数の個数: 96

約数和(自身を含む): 38981671680

約数和(自身を除く): 20183152330

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 409, 650, 775, 806, 818, 1550, 2015, 2045, 2281, 4030, 4090, 4562, 5317, 10075, 10225, 10634, 11405, 12679, 20150, 20450, 22810, 25358, 26585, 29653, 53170, 57025, 59306, 63395, 70711, 114050, 126790, 132925, 141422, 148265, 164827, 265850, 296530, 316975, 329654, 353555, 633950, 707110, 741325, 824135, 919243, 932929, 1482650, 1648270, 1767775, 1838486, 1865858, 3535550, 4120675, 4596215, 4664645, 8241350, 9192430, 9329290, 12128077, 22981075, 23323225, 24256154, 28920799, 45962150, 46646450, 57841598, 60640385, 121280770, 144603995, 289207990, 303201925, 375970387, 606403850, 723019975, 751940774, 1446039950, 1879851935, 3759703870, 9399259675, 18798519350]

約数ペア:

[(1, 18798519350), (2, 9399259675), (5, 3759703870), (10, 1879851935), (13, 1446039950), (25, 751940774), (26, 723019975), (31, 606403850), (50, 375970387), (62, 303201925), (65, 289207990), (130, 144603995), (155, 121280770), (310, 60640385), (325, 57841598), (403, 46646450), (409, 45962150), (650, 28920799), (775, 24256154), (806, 23323225), (818, 22981075), (1550, 12128077), (2015, 9329290), (2045, 9192430), (2281, 8241350), (4030, 4664645), (4090, 4596215), (4562, 4120675), (5317, 3535550), (10075, 1865858), (10225, 1838486), (10634, 1767775), (11405, 1648270), (12679, 1482650), (20150, 932929), (20450, 919243), (22810, 824135), (25358, 741325), (26585, 707110), (29653, 633950), (53170, 353555), (57025, 329654), (59306, 316975), (63395, 296530), (70711, 265850), (114050, 164827), (126790, 148265), (132925, 141422)]