291428410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 676698624

約数和(自身を除く): 385270214

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 65, 70, 73, 82, 91, 107, 130, 146, 182, 205, 214, 287, 365, 410, 455, 511, 533, 535, 574, 730, 749, 910, 949, 1022, 1066, 1070, 1391, 1435, 1498, 1898, 2555, 2665, 2782, 2870, 2993, 3731, 3745, 4387, 4745, 5110, 5330, 5986, 6643, 6955, 7462, 7490, 7811, 8774, 9490, 9737, 13286, 13910, 14965, 15622, 18655, 19474, 20951, 21935, 29930, 30709, 33215, 37310, 38909, 39055, 41902, 43870, 48685, 54677, 57031, 61418, 66430, 77818, 78110, 97370, 101543, 104755, 109354, 114062, 153545, 194545, 203086, 209510, 272363, 273385, 285155, 307090, 320251, 389090, 399217, 507715, 544726, 546770, 570310, 640502, 710801, 798434, 1015430, 1361815, 1421602, 1601255, 1996085, 2241757, 2723630, 3202510, 3554005, 3992170, 4163263, 4483514, 7108010, 8326526, 11208785, 20816315, 22417570, 29142841, 41632630, 58285682, 145714205, 291428410]

約数ペア:

[(1, 291428410), (2, 145714205), (5, 58285682), (7, 41632630), (10, 29142841), (13, 22417570), (14, 20816315), (26, 11208785), (35, 8326526), (41, 7108010), (65, 4483514), (70, 4163263), (73, 3992170), (82, 3554005), (91, 3202510), (107, 2723630), (130, 2241757), (146, 1996085), (182, 1601255), (205, 1421602), (214, 1361815), (287, 1015430), (365, 798434), (410, 710801), (455, 640502), (511, 570310), (533, 546770), (535, 544726), (574, 507715), (730, 399217), (749, 389090), (910, 320251), (949, 307090), (1022, 285155), (1066, 273385), (1070, 272363), (1391, 209510), (1435, 203086), (1498, 194545), (1898, 153545), (2555, 114062), (2665, 109354), (2782, 104755), (2870, 101543), (2993, 97370), (3731, 78110), (3745, 77818), (4387, 66430), (4745, 61418), (5110, 57031), (5330, 54677), (5986, 48685), (6643, 43870), (6955, 41902), (7462, 39055), (7490, 38909), (7811, 37310), (8774, 33215), (9490, 30709), (9737, 29930), (13286, 21935), (13910, 20951), (14965, 19474), (15622, 18655)]