398572300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1613}}^1$

素因数の和:1987

約数の個数: 72

約数和(自身を含む): 991874016

約数和(自身を除く): 593301716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 353, 700, 706, 1412, 1613, 1765, 2471, 3226, 3530, 4942, 6452, 7060, 8065, 8825, 9884, 11291, 12355, 16130, 17650, 22582, 24710, 32260, 35300, 40325, 45164, 49420, 56455, 61775, 80650, 112910, 123550, 161300, 225820, 247100, 282275, 564550, 569389, 1129100, 1138778, 2277556, 2846945, 3985723, 5693890, 7971446, 11387780, 14234725, 15942892, 19928615, 28469450, 39857230, 56938900, 79714460, 99643075, 199286150, 398572300]

約数ペア:

[(1, 398572300), (2, 199286150), (4, 99643075), (5, 79714460), (7, 56938900), (10, 39857230), (14, 28469450), (20, 19928615), (25, 15942892), (28, 14234725), (35, 11387780), (50, 7971446), (70, 5693890), (100, 3985723), (140, 2846945), (175, 2277556), (350, 1138778), (353, 1129100), (700, 569389), (706, 564550), (1412, 282275), (1613, 247100), (1765, 225820), (2471, 161300), (3226, 123550), (3530, 112910), (4942, 80650), (6452, 61775), (7060, 56455), (8065, 49420), (8825, 45164), (9884, 40325), (11291, 35300), (12355, 32260), (16130, 24710), (17650, 22582)]