140988140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 330220800

約数和(自身を除く): 189232660

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 79, 85, 116, 145, 158, 170, 181, 290, 316, 340, 362, 395, 493, 580, 724, 790, 905, 986, 1343, 1580, 1810, 1972, 2291, 2465, 2686, 3077, 3620, 4582, 4930, 5249, 5372, 6154, 6715, 9164, 9860, 10498, 11455, 12308, 13430, 14299, 15385, 20996, 22910, 26245, 26860, 28598, 30770, 38947, 45820, 52490, 57196, 61540, 71495, 77894, 89233, 104980, 142990, 155788, 178466, 194735, 243083, 285980, 356932, 389470, 414671, 446165, 486166, 778940, 829342, 892330, 972332, 1215415, 1658684, 1784660, 2073355, 2430830, 4146710, 4861660, 7049407, 8293420, 14098814, 28197628, 35247035, 70494070, 140988140]

約数ペア:

[(1, 140988140), (2, 70494070), (4, 35247035), (5, 28197628), (10, 14098814), (17, 8293420), (20, 7049407), (29, 4861660), (34, 4146710), (58, 2430830), (68, 2073355), (79, 1784660), (85, 1658684), (116, 1215415), (145, 972332), (158, 892330), (170, 829342), (181, 778940), (290, 486166), (316, 446165), (340, 414671), (362, 389470), (395, 356932), (493, 285980), (580, 243083), (724, 194735), (790, 178466), (905, 155788), (986, 142990), (1343, 104980), (1580, 89233), (1810, 77894), (1972, 71495), (2291, 61540), (2465, 57196), (2686, 52490), (3077, 45820), (3620, 38947), (4582, 30770), (4930, 28598), (5249, 26860), (5372, 26245), (6154, 22910), (6715, 20996), (9164, 15385), (9860, 14299), (10498, 13430), (11455, 12308)]