388291900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3217}}^1$

素因数の和:3319

約数の個数: 72

約数和(自身を含む): 905004576

約数和(自身を除く): 516712676

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 71, 85, 100, 142, 170, 284, 340, 355, 425, 710, 850, 1207, 1420, 1700, 1775, 2414, 3217, 3550, 4828, 6035, 6434, 7100, 12070, 12868, 16085, 24140, 30175, 32170, 54689, 60350, 64340, 80425, 109378, 120700, 160850, 218756, 228407, 273445, 321700, 456814, 546890, 913628, 1093780, 1142035, 1367225, 2284070, 2734450, 3882919, 4568140, 5468900, 5710175, 7765838, 11420350, 15531676, 19414595, 22840700, 38829190, 77658380, 97072975, 194145950, 388291900]

約数ペア:

[(1, 388291900), (2, 194145950), (4, 97072975), (5, 77658380), (10, 38829190), (17, 22840700), (20, 19414595), (25, 15531676), (34, 11420350), (50, 7765838), (68, 5710175), (71, 5468900), (85, 4568140), (100, 3882919), (142, 2734450), (170, 2284070), (284, 1367225), (340, 1142035), (355, 1093780), (425, 913628), (710, 546890), (850, 456814), (1207, 321700), (1420, 273445), (1700, 228407), (1775, 218756), (2414, 160850), (3217, 120700), (3550, 109378), (4828, 80425), (6035, 64340), (6434, 60350), (7100, 54689), (12070, 32170), (12868, 30175), (16085, 24140)]