717992860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 1687795200

約数和(自身を除く): 969802340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 229, 260, 310, 389, 403, 458, 620, 778, 806, 916, 1145, 1556, 1612, 1945, 2015, 2290, 2977, 3890, 4030, 4580, 5057, 5954, 7099, 7780, 8060, 10114, 11908, 12059, 14198, 14885, 20228, 24118, 25285, 28396, 29770, 35495, 48236, 50570, 59540, 60295, 70990, 89081, 92287, 101140, 120590, 141980, 156767, 178162, 184574, 241180, 313534, 356324, 369148, 445405, 461435, 627068, 783835, 890810, 922870, 1158053, 1567670, 1781620, 1845740, 2316106, 2761511, 3135340, 4632212, 5523022, 5790265, 11046044, 11580530, 13807555, 23161060, 27615110, 35899643, 55230220, 71799286, 143598572, 179498215, 358996430, 717992860]

約数ペア:

[(1, 717992860), (2, 358996430), (4, 179498215), (5, 143598572), (10, 71799286), (13, 55230220), (20, 35899643), (26, 27615110), (31, 23161060), (52, 13807555), (62, 11580530), (65, 11046044), (124, 5790265), (130, 5523022), (155, 4632212), (229, 3135340), (260, 2761511), (310, 2316106), (389, 1845740), (403, 1781620), (458, 1567670), (620, 1158053), (778, 922870), (806, 890810), (916, 783835), (1145, 627068), (1556, 461435), (1612, 445405), (1945, 369148), (2015, 356324), (2290, 313534), (2977, 241180), (3890, 184574), (4030, 178162), (4580, 156767), (5057, 141980), (5954, 120590), (7099, 101140), (7780, 92287), (8060, 89081), (10114, 70990), (11908, 60295), (12059, 59540), (14198, 50570), (14885, 48236), (20228, 35495), (24118, 29770), (25285, 28396)]