19704900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3457}}^1$

素因数の和:3493

約数の個数: 72

約数和(自身を含む): 60030880

約数和(自身を除く): 40325980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 3457, 5700, 6914, 10371, 13828, 17285, 20742, 34570, 41484, 51855, 65683, 69140, 86425, 103710, 131366, 172850, 197049, 207420, 259275, 262732, 328415, 345700, 394098, 518550, 656830, 788196, 985245, 1037100, 1313660, 1642075, 1970490, 3284150, 3940980, 4926225, 6568300, 9852450, 19704900]

約数ペア:

[(1, 19704900), (2, 9852450), (3, 6568300), (4, 4926225), (5, 3940980), (6, 3284150), (10, 1970490), (12, 1642075), (15, 1313660), (19, 1037100), (20, 985245), (25, 788196), (30, 656830), (38, 518550), (50, 394098), (57, 345700), (60, 328415), (75, 262732), (76, 259275), (95, 207420), (100, 197049), (114, 172850), (150, 131366), (190, 103710), (228, 86425), (285, 69140), (300, 65683), (380, 51855), (475, 41484), (570, 34570), (950, 20742), (1140, 17285), (1425, 13828), (1900, 10371), (2850, 6914), (3457, 5700)]