188811520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8677}}^1$

素因数の和:8715

約数の個数: 72

約数和(自身を含む): 478921464

約数和(自身を除く): 290109944

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 8677, 10880, 17354, 21760, 34708, 43385, 69416, 86770, 138832, 147509, 173540, 277664, 295018, 347080, 555328, 590036, 694160, 737545, 1110656, 1180072, 1388320, 1475090, 2221312, 2360144, 2776640, 2950180, 4720288, 5553280, 5900360, 9440576, 11106560, 11800720, 18881152, 23601440, 37762304, 47202880, 94405760, 188811520]

約数ペア:

[(1, 188811520), (2, 94405760), (4, 47202880), (5, 37762304), (8, 23601440), (10, 18881152), (16, 11800720), (17, 11106560), (20, 9440576), (32, 5900360), (34, 5553280), (40, 4720288), (64, 2950180), (68, 2776640), (80, 2360144), (85, 2221312), (128, 1475090), (136, 1388320), (160, 1180072), (170, 1110656), (256, 737545), (272, 694160), (320, 590036), (340, 555328), (544, 347080), (640, 295018), (680, 277664), (1088, 173540), (1280, 147509), (1360, 138832), (2176, 86770), (2720, 69416), (4352, 43385), (5440, 34708), (8677, 21760), (10880, 17354)]