164540000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:482

約数の個数: 120

約数和(自身を含む): 427082040

約数和(自身を除く): 262542040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 304, 380, 400, 433, 475, 500, 608, 625, 760, 800, 866, 950, 1000, 1250, 1520, 1732, 1900, 2000, 2165, 2375, 2500, 3040, 3464, 3800, 4000, 4330, 4750, 5000, 6928, 7600, 8227, 8660, 9500, 10000, 10825, 11875, 13856, 15200, 16454, 17320, 19000, 20000, 21650, 23750, 32908, 34640, 38000, 41135, 43300, 47500, 54125, 65816, 69280, 76000, 82270, 86600, 95000, 108250, 131632, 164540, 173200, 190000, 205675, 216500, 263264, 270625, 329080, 346400, 380000, 411350, 433000, 541250, 658160, 822700, 866000, 1028375, 1082500, 1316320, 1645400, 1732000, 2056750, 2165000, 3290800, 4113500, 4330000, 5141875, 6581600, 8227000, 8660000, 10283750, 16454000, 20567500, 32908000, 41135000, 82270000, 164540000]

約数ペア:

[(1, 164540000), (2, 82270000), (4, 41135000), (5, 32908000), (8, 20567500), (10, 16454000), (16, 10283750), (19, 8660000), (20, 8227000), (25, 6581600), (32, 5141875), (38, 4330000), (40, 4113500), (50, 3290800), (76, 2165000), (80, 2056750), (95, 1732000), (100, 1645400), (125, 1316320), (152, 1082500), (160, 1028375), (190, 866000), (200, 822700), (250, 658160), (304, 541250), (380, 433000), (400, 411350), (433, 380000), (475, 346400), (500, 329080), (608, 270625), (625, 263264), (760, 216500), (800, 205675), (866, 190000), (950, 173200), (1000, 164540), (1250, 131632), (1520, 108250), (1732, 95000), (1900, 86600), (2000, 82270), (2165, 76000), (2375, 69280), (2500, 65816), (3040, 54125), (3464, 47500), (3800, 43300), (4000, 41135), (4330, 38000), (4750, 34640), (5000, 32908), (6928, 23750), (7600, 21650), (8227, 20000), (8660, 19000), (9500, 17320), (10000, 16454), (10825, 15200), (11875, 13856)]