28539420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5227}}^1$

素因数の和:5259

約数の個数: 96

約数和(自身を含む): 98370048

約数和(自身を除く): 69830628

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, 5227, 5460, 10454, 15681, 20908, 26135, 31362, 36589, 52270, 62724, 67951, 73178, 78405, 104540, 109767, 135902, 146356, 156810, 182945, 203853, 219534, 271804, 313620, 339755, 365890, 407706, 439068, 475657, 548835, 679510, 731780, 815412, 951314, 1019265, 1097670, 1359020, 1426971, 1902628, 2038530, 2195340, 2378285, 2853942, 4077060, 4756570, 5707884, 7134855, 9513140, 14269710, 28539420]

約数ペア:

[(1, 28539420), (2, 14269710), (3, 9513140), (4, 7134855), (5, 5707884), (6, 4756570), (7, 4077060), (10, 2853942), (12, 2378285), (13, 2195340), (14, 2038530), (15, 1902628), (20, 1426971), (21, 1359020), (26, 1097670), (28, 1019265), (30, 951314), (35, 815412), (39, 731780), (42, 679510), (52, 548835), (60, 475657), (65, 439068), (70, 407706), (78, 365890), (84, 339755), (91, 313620), (105, 271804), (130, 219534), (140, 203853), (156, 182945), (182, 156810), (195, 146356), (210, 135902), (260, 109767), (273, 104540), (364, 78405), (390, 73178), (420, 67951), (455, 62724), (546, 52270), (780, 36589), (910, 31362), (1092, 26135), (1365, 20908), (1820, 15681), (2730, 10454), (5227, 5460)]