78326140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2153}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 175869792

約数和(自身を除く): 97543652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 1070, 1819, 2140, 2153, 3638, 4306, 7276, 8612, 9095, 10765, 18190, 21530, 36380, 36601, 43060, 73202, 146404, 183005, 230371, 366010, 460742, 732020, 921484, 1151855, 2303710, 3916307, 4607420, 7832614, 15665228, 19581535, 39163070, 78326140]

約数ペア:

[(1, 78326140), (2, 39163070), (4, 19581535), (5, 15665228), (10, 7832614), (17, 4607420), (20, 3916307), (34, 2303710), (68, 1151855), (85, 921484), (107, 732020), (170, 460742), (214, 366010), (340, 230371), (428, 183005), (535, 146404), (1070, 73202), (1819, 43060), (2140, 36601), (2153, 36380), (3638, 21530), (4306, 18190), (7276, 10765), (8612, 9095)]