21386417500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{174583}}^1$

素因数の和:174621

約数の個数: 90

約数和(自身を含む): 54403691496

約数和(自身を除く): 33017273996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 625, 700, 875, 980, 1225, 1250, 1750, 2450, 2500, 3500, 4375, 4900, 6125, 8750, 12250, 17500, 24500, 30625, 61250, 122500, 174583, 349166, 698332, 872915, 1222081, 1745830, 2444162, 3491660, 4364575, 4888324, 6110405, 8554567, 8729150, 12220810, 17109134, 17458300, 21822875, 24441620, 30552025, 34218268, 42772835, 43645750, 61104050, 85545670, 87291500, 109114375, 122208100, 152760125, 171091340, 213864175, 218228750, 305520250, 427728350, 436457500, 611040500, 763800625, 855456700, 1069320875, 1527601250, 2138641750, 3055202500, 4277283500, 5346604375, 10693208750, 21386417500]

約数ペア:

[(1, 21386417500), (2, 10693208750), (4, 5346604375), (5, 4277283500), (7, 3055202500), (10, 2138641750), (14, 1527601250), (20, 1069320875), (25, 855456700), (28, 763800625), (35, 611040500), (49, 436457500), (50, 427728350), (70, 305520250), (98, 218228750), (100, 213864175), (125, 171091340), (140, 152760125), (175, 122208100), (196, 109114375), (245, 87291500), (250, 85545670), (350, 61104050), (490, 43645750), (500, 42772835), (625, 34218268), (700, 30552025), (875, 24441620), (980, 21822875), (1225, 17458300), (1250, 17109134), (1750, 12220810), (2450, 8729150), (2500, 8554567), (3500, 6110405), (4375, 4888324), (4900, 4364575), (6125, 3491660), (8750, 2444162), (12250, 1745830), (17500, 1222081), (24500, 872915), (30625, 698332), (61250, 349166), (122500, 174583)]