28441140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5209}}^1$

素因数の和:5241

約数の個数: 96

約数和(自身を含む): 98031360

約数和(自身を除く): 69590220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5209, 5460, 10418, 15627, 20836, 26045, 31254, 36463, 52090, 62508, 67717, 72926, 78135, 104180, 109389, 135434, 145852, 156270, 182315, 203151, 218778, 270868, 312540, 338585, 364630, 406302, 437556, 474019, 546945, 677170, 729260, 812604, 948038, 1015755, 1093890, 1354340, 1422057, 1896076, 2031510, 2187780, 2370095, 2844114, 4063020, 4740190, 5688228, 7110285, 9480380, 14220570, 28441140]

約数ペア:

[(1, 28441140), (2, 14220570), (3, 9480380), (4, 7110285), (5, 5688228), (6, 4740190), (7, 4063020), (10, 2844114), (12, 2370095), (13, 2187780), (14, 2031510), (15, 1896076), (20, 1422057), (21, 1354340), (26, 1093890), (28, 1015755), (30, 948038), (35, 812604), (39, 729260), (42, 677170), (52, 546945), (60, 474019), (65, 437556), (70, 406302), (78, 364630), (84, 338585), (91, 312540), (105, 270868), (130, 218778), (140, 203151), (156, 182315), (182, 156270), (195, 145852), (210, 135434), (260, 109389), (273, 104180), (364, 78135), (390, 72926), (420, 67717), (455, 62508), (546, 52090), (780, 36463), (910, 31254), (1092, 26045), (1365, 20836), (1820, 15627), (2730, 10418), (5209, 5460)]