210645980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{2659}}^1$

素因数の和:2918

約数の個数: 48

約数和(自身を含む): 470564640

約数和(自身を除く): 259918660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 340, 466, 932, 1165, 2330, 2659, 3961, 4660, 5318, 7922, 10636, 13295, 15844, 19805, 26590, 39610, 45203, 53180, 79220, 90406, 180812, 226015, 452030, 619547, 904060, 1239094, 2478188, 3097735, 6195470, 10532299, 12390940, 21064598, 42129196, 52661495, 105322990, 210645980]

約数ペア:

[(1, 210645980), (2, 105322990), (4, 52661495), (5, 42129196), (10, 21064598), (17, 12390940), (20, 10532299), (34, 6195470), (68, 3097735), (85, 2478188), (170, 1239094), (233, 904060), (340, 619547), (466, 452030), (932, 226015), (1165, 180812), (2330, 90406), (2659, 79220), (3961, 53180), (4660, 45203), (5318, 39610), (7922, 26590), (10636, 19805), (13295, 15844)]