388518390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1659

約数の個数: 128

約数和(自身を含む): 1132185600

約数和(自身を除く): 743667210

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 71, 78, 90, 117, 130, 135, 142, 195, 213, 234, 270, 351, 355, 390, 426, 585, 639, 702, 710, 923, 1065, 1170, 1278, 1559, 1755, 1846, 1917, 2130, 2769, 3118, 3195, 3510, 3834, 4615, 4677, 5538, 6390, 7795, 8307, 9230, 9354, 9585, 13845, 14031, 15590, 16614, 19170, 20267, 23385, 24921, 27690, 28062, 40534, 41535, 42093, 46770, 49842, 60801, 70155, 83070, 84186, 101335, 110689, 121602, 124605, 140310, 182403, 202670, 210465, 221378, 249210, 304005, 332067, 364806, 420930, 547209, 553445, 608010, 664134, 912015, 996201, 1094418, 1106890, 1438957, 1660335, 1824030, 1992402, 2736045, 2877914, 2988603, 3320670, 4316871, 4981005, 5472090, 5977206, 7194785, 8633742, 9962010, 12950613, 14389570, 14943015, 21584355, 25901226, 29886030, 38851839, 43168710, 64753065, 77703678, 129506130, 194259195, 388518390]

約数ペア:

[(1, 388518390), (2, 194259195), (3, 129506130), (5, 77703678), (6, 64753065), (9, 43168710), (10, 38851839), (13, 29886030), (15, 25901226), (18, 21584355), (26, 14943015), (27, 14389570), (30, 12950613), (39, 9962010), (45, 8633742), (54, 7194785), (65, 5977206), (71, 5472090), (78, 4981005), (90, 4316871), (117, 3320670), (130, 2988603), (135, 2877914), (142, 2736045), (195, 1992402), (213, 1824030), (234, 1660335), (270, 1438957), (351, 1106890), (355, 1094418), (390, 996201), (426, 912015), (585, 664134), (639, 608010), (702, 553445), (710, 547209), (923, 420930), (1065, 364806), (1170, 332067), (1278, 304005), (1559, 249210), (1755, 221378), (1846, 210465), (1917, 202670), (2130, 182403), (2769, 140310), (3118, 124605), (3195, 121602), (3510, 110689), (3834, 101335), (4615, 84186), (4677, 83070), (5538, 70155), (6390, 60801), (7795, 49842), (8307, 46770), (9230, 42093), (9354, 41535), (9585, 40534), (13845, 28062), (14031, 27690), (15590, 24921), (16614, 23385), (19170, 20267)]