142821770

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3244

約数の個数: 64

約数和(自身を含む): 322963200

約数和(自身を除く): 180141430

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 455, 490, 637, 686, 910, 1274, 1715, 3185, 3203, 3430, 4459, 6370, 6406, 8918, 16015, 22295, 22421, 32030, 41639, 44590, 44842, 83278, 112105, 156947, 208195, 224210, 291473, 313894, 416390, 582946, 784735, 1098629, 1457365, 1569470, 2040311, 2197258, 2914730, 4080622, 5493145, 10201555, 10986290, 14282177, 20403110, 28564354, 71410885, 142821770]

約数ペア:

[(1, 142821770), (2, 71410885), (5, 28564354), (7, 20403110), (10, 14282177), (13, 10986290), (14, 10201555), (26, 5493145), (35, 4080622), (49, 2914730), (65, 2197258), (70, 2040311), (91, 1569470), (98, 1457365), (130, 1098629), (182, 784735), (245, 582946), (343, 416390), (455, 313894), (490, 291473), (637, 224210), (686, 208195), (910, 156947), (1274, 112105), (1715, 83278), (3185, 44842), (3203, 44590), (3430, 41639), (4459, 32030), (6370, 22421), (6406, 22295), (8918, 16015)]