90198400

素因数分解:

$2^7\times 5^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 226525680

約数和(自身を除く): 136327280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 128, 142, 160, 200, 284, 320, 355, 397, 400, 568, 640, 710, 794, 800, 1136, 1420, 1588, 1600, 1775, 1985, 2272, 2840, 3176, 3200, 3550, 3970, 4544, 5680, 6352, 7100, 7940, 9088, 9925, 11360, 12704, 14200, 15880, 19850, 22720, 25408, 28187, 28400, 31760, 39700, 45440, 50816, 56374, 56800, 63520, 79400, 112748, 113600, 127040, 140935, 158800, 225496, 227200, 254080, 281870, 317600, 450992, 563740, 635200, 704675, 901984, 1127480, 1270400, 1409350, 1803968, 2254960, 2818700, 3607936, 4509920, 5637400, 9019840, 11274800, 18039680, 22549600, 45099200, 90198400]

約数ペア:

[(1, 90198400), (2, 45099200), (4, 22549600), (5, 18039680), (8, 11274800), (10, 9019840), (16, 5637400), (20, 4509920), (25, 3607936), (32, 2818700), (40, 2254960), (50, 1803968), (64, 1409350), (71, 1270400), (80, 1127480), (100, 901984), (128, 704675), (142, 635200), (160, 563740), (200, 450992), (284, 317600), (320, 281870), (355, 254080), (397, 227200), (400, 225496), (568, 158800), (640, 140935), (710, 127040), (794, 113600), (800, 112748), (1136, 79400), (1420, 63520), (1588, 56800), (1600, 56374), (1775, 50816), (1985, 45440), (2272, 39700), (2840, 31760), (3176, 28400), (3200, 28187), (3550, 25408), (3970, 22720), (4544, 19850), (5680, 15880), (6352, 14200), (7100, 12704), (7940, 11360), (9088, 9925)]