279925310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 589400064

約数和(自身を除く): 309474754

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 151, 302, 355, 373, 497, 710, 746, 755, 994, 1057, 1510, 1865, 2114, 2485, 2611, 3730, 4970, 5222, 5285, 10570, 10721, 13055, 21442, 26110, 26483, 52966, 53605, 56323, 75047, 107210, 112646, 132415, 150094, 185381, 264830, 281615, 370762, 375235, 394261, 563230, 750470, 788522, 926905, 1853810, 1971305, 3942610, 3998933, 7997866, 19994665, 27992531, 39989330, 55985062, 139962655, 279925310]

約数ペア:

[(1, 279925310), (2, 139962655), (5, 55985062), (7, 39989330), (10, 27992531), (14, 19994665), (35, 7997866), (70, 3998933), (71, 3942610), (142, 1971305), (151, 1853810), (302, 926905), (355, 788522), (373, 750470), (497, 563230), (710, 394261), (746, 375235), (755, 370762), (994, 281615), (1057, 264830), (1510, 185381), (1865, 150094), (2114, 132415), (2485, 112646), (2611, 107210), (3730, 75047), (4970, 56323), (5222, 53605), (5285, 52966), (10570, 26483), (10721, 26110), (13055, 21442)]