1385638520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:757

約数の個数: 128

約数和(自身を含む): 3645734400

約数和(自身を除く): 2260095880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 109, 140, 166, 218, 280, 332, 415, 436, 545, 547, 581, 664, 763, 830, 872, 1090, 1094, 1162, 1526, 1660, 2180, 2188, 2324, 2735, 2905, 3052, 3320, 3815, 3829, 4360, 4376, 4648, 5470, 5810, 6104, 7630, 7658, 9047, 10940, 11620, 15260, 15316, 18094, 19145, 21880, 23240, 30520, 30632, 36188, 38290, 45235, 45401, 59623, 63329, 72376, 76580, 90470, 90802, 119246, 126658, 153160, 180940, 181604, 227005, 238492, 253316, 298115, 316645, 317807, 361880, 363208, 417361, 454010, 476984, 506632, 596230, 633290, 635614, 834722, 908020, 1192460, 1266580, 1271228, 1589035, 1669444, 1816040, 2086805, 2384920, 2533160, 2542456, 3178070, 3338888, 4173610, 4948709, 6356140, 8347220, 9897418, 12712280, 16694440, 19794836, 24743545, 34640963, 39589672, 49487090, 69281926, 98974180, 138563852, 173204815, 197948360, 277127704, 346409630, 692819260, 1385638520]

約数ペア:

[(1, 1385638520), (2, 692819260), (4, 346409630), (5, 277127704), (7, 197948360), (8, 173204815), (10, 138563852), (14, 98974180), (20, 69281926), (28, 49487090), (35, 39589672), (40, 34640963), (56, 24743545), (70, 19794836), (83, 16694440), (109, 12712280), (140, 9897418), (166, 8347220), (218, 6356140), (280, 4948709), (332, 4173610), (415, 3338888), (436, 3178070), (545, 2542456), (547, 2533160), (581, 2384920), (664, 2086805), (763, 1816040), (830, 1669444), (872, 1589035), (1090, 1271228), (1094, 1266580), (1162, 1192460), (1526, 908020), (1660, 834722), (2180, 635614), (2188, 633290), (2324, 596230), (2735, 506632), (2905, 476984), (3052, 454010), (3320, 417361), (3815, 363208), (3829, 361880), (4360, 317807), (4376, 316645), (4648, 298115), (5470, 253316), (5810, 238492), (6104, 227005), (7630, 181604), (7658, 180940), (9047, 153160), (10940, 126658), (11620, 119246), (15260, 90802), (15316, 90470), (18094, 76580), (19145, 72376), (21880, 63329), (23240, 59623), (30520, 45401), (30632, 45235), (36188, 38290)]