249237100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4507}}^1$

素因数の和:4607

約数の個数: 72

約数和(自身を含む): 626071040

約数和(自身を除く): 376833940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 395, 553, 700, 790, 1106, 1580, 1975, 2212, 2765, 3950, 4507, 5530, 7900, 9014, 11060, 13825, 18028, 22535, 27650, 31549, 45070, 55300, 63098, 90140, 112675, 126196, 157745, 225350, 315490, 356053, 450700, 630980, 712106, 788725, 1424212, 1577450, 1780265, 2492371, 3154900, 3560530, 4984742, 7121060, 8901325, 9969484, 12461855, 17802650, 24923710, 35605300, 49847420, 62309275, 124618550, 249237100]

約数ペア:

[(1, 249237100), (2, 124618550), (4, 62309275), (5, 49847420), (7, 35605300), (10, 24923710), (14, 17802650), (20, 12461855), (25, 9969484), (28, 8901325), (35, 7121060), (50, 4984742), (70, 3560530), (79, 3154900), (100, 2492371), (140, 1780265), (158, 1577450), (175, 1424212), (316, 788725), (350, 712106), (395, 630980), (553, 450700), (700, 356053), (790, 315490), (1106, 225350), (1580, 157745), (1975, 126196), (2212, 112675), (2765, 90140), (3950, 63098), (4507, 55300), (5530, 45070), (7900, 31549), (9014, 27650), (11060, 22535), (13825, 18028)]