28456500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 84494592

約数和(自身を除く): 56038092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 125, 150, 183, 244, 250, 300, 305, 311, 366, 375, 500, 610, 622, 732, 750, 915, 933, 1220, 1244, 1500, 1525, 1555, 1830, 1866, 3050, 3110, 3660, 3732, 4575, 4665, 6100, 6220, 7625, 7775, 9150, 9330, 15250, 15550, 18300, 18660, 18971, 22875, 23325, 30500, 31100, 37942, 38875, 45750, 46650, 56913, 75884, 77750, 91500, 93300, 94855, 113826, 116625, 155500, 189710, 227652, 233250, 284565, 379420, 466500, 474275, 569130, 948550, 1138260, 1422825, 1897100, 2371375, 2845650, 4742750, 5691300, 7114125, 9485500, 14228250, 28456500]

約数ペア:

[(1, 28456500), (2, 14228250), (3, 9485500), (4, 7114125), (5, 5691300), (6, 4742750), (10, 2845650), (12, 2371375), (15, 1897100), (20, 1422825), (25, 1138260), (30, 948550), (50, 569130), (60, 474275), (61, 466500), (75, 379420), (100, 284565), (122, 233250), (125, 227652), (150, 189710), (183, 155500), (244, 116625), (250, 113826), (300, 94855), (305, 93300), (311, 91500), (366, 77750), (375, 75884), (500, 56913), (610, 46650), (622, 45750), (732, 38875), (750, 37942), (915, 31100), (933, 30500), (1220, 23325), (1244, 22875), (1500, 18971), (1525, 18660), (1555, 18300), (1830, 15550), (1866, 15250), (3050, 9330), (3110, 9150), (3660, 7775), (3732, 7625), (4575, 6220), (4665, 6100)]