28697490

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:589

約数の個数: 80

約数和(自身を含む): 78408000

約数和(自身を除く): 49710510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 81, 90, 135, 142, 162, 213, 270, 355, 405, 426, 499, 639, 710, 810, 998, 1065, 1278, 1497, 1917, 2130, 2495, 2994, 3195, 3834, 4491, 4990, 5751, 6390, 7485, 8982, 9585, 11502, 13473, 14970, 19170, 22455, 26946, 28755, 35429, 40419, 44910, 57510, 67365, 70858, 80838, 106287, 134730, 177145, 202095, 212574, 318861, 354290, 404190, 531435, 637722, 956583, 1062870, 1594305, 1913166, 2869749, 3188610, 4782915, 5739498, 9565830, 14348745, 28697490]

約数ペア:

[(1, 28697490), (2, 14348745), (3, 9565830), (5, 5739498), (6, 4782915), (9, 3188610), (10, 2869749), (15, 1913166), (18, 1594305), (27, 1062870), (30, 956583), (45, 637722), (54, 531435), (71, 404190), (81, 354290), (90, 318861), (135, 212574), (142, 202095), (162, 177145), (213, 134730), (270, 106287), (355, 80838), (405, 70858), (426, 67365), (499, 57510), (639, 44910), (710, 40419), (810, 35429), (998, 28755), (1065, 26946), (1278, 22455), (1497, 19170), (1917, 14970), (2130, 13473), (2495, 11502), (2994, 9585), (3195, 8982), (3834, 7485), (4491, 6390), (4990, 5751)]