172091440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1237}}^1$

素因数の和:1334

約数の個数: 80

約数和(自身を含む): 420008832

約数和(自身を除く): 247917392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 47, 74, 80, 94, 148, 185, 188, 235, 296, 370, 376, 470, 592, 740, 752, 940, 1237, 1480, 1739, 1880, 2474, 2960, 3478, 3760, 4948, 6185, 6956, 8695, 9896, 12370, 13912, 17390, 19792, 24740, 27824, 34780, 45769, 49480, 58139, 69560, 91538, 98960, 116278, 139120, 183076, 228845, 232556, 290695, 366152, 457690, 465112, 581390, 732304, 915380, 930224, 1162780, 1830760, 2151143, 2325560, 3661520, 4302286, 4651120, 8604572, 10755715, 17209144, 21511430, 34418288, 43022860, 86045720, 172091440]

約数ペア:

[(1, 172091440), (2, 86045720), (4, 43022860), (5, 34418288), (8, 21511430), (10, 17209144), (16, 10755715), (20, 8604572), (37, 4651120), (40, 4302286), (47, 3661520), (74, 2325560), (80, 2151143), (94, 1830760), (148, 1162780), (185, 930224), (188, 915380), (235, 732304), (296, 581390), (370, 465112), (376, 457690), (470, 366152), (592, 290695), (740, 232556), (752, 228845), (940, 183076), (1237, 139120), (1480, 116278), (1739, 98960), (1880, 91538), (2474, 69560), (2960, 58139), (3478, 49480), (3760, 45769), (4948, 34780), (6185, 27824), (6956, 24740), (8695, 19792), (9896, 17390), (12370, 13912)]