28400370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 72783360

約数和(自身を除く): 44382990

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 233, 239, 255, 466, 478, 510, 699, 717, 1165, 1195, 1398, 1434, 2330, 2390, 3495, 3585, 3961, 4063, 6990, 7170, 7922, 8126, 11883, 12189, 19805, 20315, 23766, 24378, 39610, 40630, 55687, 59415, 60945, 111374, 118830, 121890, 167061, 278435, 334122, 556870, 835305, 946679, 1670610, 1893358, 2840037, 4733395, 5680074, 9466790, 14200185, 28400370]

約数ペア:

[(1, 28400370), (2, 14200185), (3, 9466790), (5, 5680074), (6, 4733395), (10, 2840037), (15, 1893358), (17, 1670610), (30, 946679), (34, 835305), (51, 556870), (85, 334122), (102, 278435), (170, 167061), (233, 121890), (239, 118830), (255, 111374), (466, 60945), (478, 59415), (510, 55687), (699, 40630), (717, 39610), (1165, 24378), (1195, 23766), (1398, 20315), (1434, 19805), (2330, 12189), (2390, 11883), (3495, 8126), (3585, 7922), (3961, 7170), (4063, 6990)]