19388800

素因数分解:

$2^7\times 5^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 49137480

約数和(自身を除く): 29748680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 73, 80, 83, 100, 128, 146, 160, 166, 200, 292, 320, 332, 365, 400, 415, 584, 640, 664, 730, 800, 830, 1168, 1328, 1460, 1600, 1660, 1825, 2075, 2336, 2656, 2920, 3200, 3320, 3650, 4150, 4672, 5312, 5840, 6059, 6640, 7300, 8300, 9344, 10624, 11680, 12118, 13280, 14600, 16600, 23360, 24236, 26560, 29200, 30295, 33200, 46720, 48472, 53120, 58400, 60590, 66400, 96944, 116800, 121180, 132800, 151475, 193888, 233600, 242360, 265600, 302950, 387776, 484720, 605900, 775552, 969440, 1211800, 1938880, 2423600, 3877760, 4847200, 9694400, 19388800]

約数ペア:

[(1, 19388800), (2, 9694400), (4, 4847200), (5, 3877760), (8, 2423600), (10, 1938880), (16, 1211800), (20, 969440), (25, 775552), (32, 605900), (40, 484720), (50, 387776), (64, 302950), (73, 265600), (80, 242360), (83, 233600), (100, 193888), (128, 151475), (146, 132800), (160, 121180), (166, 116800), (200, 96944), (292, 66400), (320, 60590), (332, 58400), (365, 53120), (400, 48472), (415, 46720), (584, 33200), (640, 30295), (664, 29200), (730, 26560), (800, 24236), (830, 23360), (1168, 16600), (1328, 14600), (1460, 13280), (1600, 12118), (1660, 11680), (1825, 10624), (2075, 9344), (2336, 8300), (2656, 7300), (2920, 6640), (3200, 6059), (3320, 5840), (3650, 5312), (4150, 4672)]