74298980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^2$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 183035328

約数和(自身を除く): 108736348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 89, 134, 140, 178, 268, 335, 356, 445, 469, 623, 670, 890, 938, 1246, 1340, 1780, 1876, 2345, 2492, 3115, 4690, 5963, 6230, 7921, 9380, 11926, 12460, 15842, 23852, 29815, 31684, 39605, 41741, 55447, 59630, 79210, 83482, 110894, 119260, 158420, 166964, 208705, 221788, 277235, 417410, 530707, 554470, 834820, 1061414, 1108940, 2122828, 2653535, 3714949, 5307070, 7429898, 10614140, 14859796, 18574745, 37149490, 74298980]

約数ペア:

[(1, 74298980), (2, 37149490), (4, 18574745), (5, 14859796), (7, 10614140), (10, 7429898), (14, 5307070), (20, 3714949), (28, 2653535), (35, 2122828), (67, 1108940), (70, 1061414), (89, 834820), (134, 554470), (140, 530707), (178, 417410), (268, 277235), (335, 221788), (356, 208705), (445, 166964), (469, 158420), (623, 119260), (670, 110894), (890, 83482), (938, 79210), (1246, 59630), (1340, 55447), (1780, 41741), (1876, 39605), (2345, 31684), (2492, 29815), (3115, 23852), (4690, 15842), (5963, 12460), (6230, 11926), (7921, 9380)]