10142020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 25280640

約数和(自身を除く): 15138620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 131, 140, 158, 196, 245, 262, 316, 395, 490, 524, 553, 655, 790, 917, 980, 1106, 1310, 1580, 1834, 2212, 2620, 2765, 3668, 3871, 4585, 5530, 6419, 7742, 9170, 10349, 11060, 12838, 15484, 18340, 19355, 20698, 25676, 32095, 38710, 41396, 51745, 64190, 72443, 77420, 103490, 128380, 144886, 206980, 289772, 362215, 507101, 724430, 1014202, 1448860, 2028404, 2535505, 5071010, 10142020]

約数ペア:

[(1, 10142020), (2, 5071010), (4, 2535505), (5, 2028404), (7, 1448860), (10, 1014202), (14, 724430), (20, 507101), (28, 362215), (35, 289772), (49, 206980), (70, 144886), (79, 128380), (98, 103490), (131, 77420), (140, 72443), (158, 64190), (196, 51745), (245, 41396), (262, 38710), (316, 32095), (395, 25676), (490, 20698), (524, 19355), (553, 18340), (655, 15484), (790, 12838), (917, 11060), (980, 10349), (1106, 9170), (1310, 7742), (1580, 6419), (1834, 5530), (2212, 4585), (2620, 3871), (2765, 3668)]