251288310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1109}}^1$

素因数の和:1222

約数の個数: 128

約数和(自身を含む): 751887360

約数和(自身を除く): 500599050

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 83, 91, 105, 130, 166, 182, 195, 210, 249, 273, 390, 415, 455, 498, 546, 581, 830, 910, 1079, 1109, 1162, 1245, 1365, 1743, 2158, 2218, 2490, 2730, 2905, 3237, 3327, 3486, 5395, 5545, 5810, 6474, 6654, 7553, 7763, 8715, 10790, 11090, 14417, 15106, 15526, 16185, 16635, 17430, 22659, 23289, 28834, 32370, 33270, 37765, 38815, 43251, 45318, 46578, 72085, 75530, 77630, 86502, 92047, 100919, 113295, 116445, 144170, 184094, 201838, 216255, 226590, 232890, 276141, 302757, 432510, 460235, 504595, 552282, 605514, 644329, 920470, 1009190, 1196611, 1288658, 1380705, 1513785, 1932987, 2393222, 2761410, 3027570, 3221645, 3589833, 3865974, 5983055, 6443290, 7179666, 8376277, 9664935, 11966110, 16752554, 17949165, 19329870, 25128831, 35898330, 41881385, 50257662, 83762770, 125644155, 251288310]

約数ペア:

[(1, 251288310), (2, 125644155), (3, 83762770), (5, 50257662), (6, 41881385), (7, 35898330), (10, 25128831), (13, 19329870), (14, 17949165), (15, 16752554), (21, 11966110), (26, 9664935), (30, 8376277), (35, 7179666), (39, 6443290), (42, 5983055), (65, 3865974), (70, 3589833), (78, 3221645), (83, 3027570), (91, 2761410), (105, 2393222), (130, 1932987), (166, 1513785), (182, 1380705), (195, 1288658), (210, 1196611), (249, 1009190), (273, 920470), (390, 644329), (415, 605514), (455, 552282), (498, 504595), (546, 460235), (581, 432510), (830, 302757), (910, 276141), (1079, 232890), (1109, 226590), (1162, 216255), (1245, 201838), (1365, 184094), (1743, 144170), (2158, 116445), (2218, 113295), (2490, 100919), (2730, 92047), (2905, 86502), (3237, 77630), (3327, 75530), (3486, 72085), (5395, 46578), (5545, 45318), (5810, 43251), (6474, 38815), (6654, 37765), (7553, 33270), (7763, 32370), (8715, 28834), (10790, 23289), (11090, 22659), (14417, 17430), (15106, 16635), (15526, 16185)]