689240500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1130

約数の個数: 96

約数和(自身を含む): 1637895168

約数和(自身を除く): 948654668

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 107, 125, 130, 214, 250, 260, 325, 428, 500, 535, 650, 991, 1070, 1300, 1391, 1625, 1982, 2140, 2675, 2782, 3250, 3964, 4955, 5350, 5564, 6500, 6955, 9910, 10700, 12883, 13375, 13910, 19820, 24775, 25766, 26750, 27820, 34775, 49550, 51532, 53500, 64415, 69550, 99100, 106037, 123875, 128830, 139100, 173875, 212074, 247750, 257660, 322075, 347750, 424148, 495500, 530185, 644150, 695500, 1060370, 1288300, 1378481, 1610375, 2120740, 2650925, 2756962, 3220750, 5301850, 5513924, 6441500, 6892405, 10603700, 13254625, 13784810, 26509250, 27569620, 34462025, 53018500, 68924050, 137848100, 172310125, 344620250, 689240500]

約数ペア:

[(1, 689240500), (2, 344620250), (4, 172310125), (5, 137848100), (10, 68924050), (13, 53018500), (20, 34462025), (25, 27569620), (26, 26509250), (50, 13784810), (52, 13254625), (65, 10603700), (100, 6892405), (107, 6441500), (125, 5513924), (130, 5301850), (214, 3220750), (250, 2756962), (260, 2650925), (325, 2120740), (428, 1610375), (500, 1378481), (535, 1288300), (650, 1060370), (991, 695500), (1070, 644150), (1300, 530185), (1391, 495500), (1625, 424148), (1982, 347750), (2140, 322075), (2675, 257660), (2782, 247750), (3250, 212074), (3964, 173875), (4955, 139100), (5350, 128830), (5564, 123875), (6500, 106037), (6955, 99100), (9910, 69550), (10700, 64415), (12883, 53500), (13375, 51532), (13910, 49550), (19820, 34775), (24775, 27820), (25766, 26750)]