5638820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 13825728

約数和(自身を除く): 8186908

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 71, 76, 95, 110, 142, 190, 209, 220, 284, 355, 361, 380, 418, 710, 722, 781, 836, 1045, 1349, 1420, 1444, 1562, 1805, 2090, 2698, 3124, 3610, 3905, 3971, 4180, 5396, 6745, 7220, 7810, 7942, 13490, 14839, 15620, 15884, 19855, 25631, 26980, 29678, 39710, 51262, 59356, 74195, 79420, 102524, 128155, 148390, 256310, 281941, 296780, 512620, 563882, 1127764, 1409705, 2819410, 5638820]

約数ペア:

[(1, 5638820), (2, 2819410), (4, 1409705), (5, 1127764), (10, 563882), (11, 512620), (19, 296780), (20, 281941), (22, 256310), (38, 148390), (44, 128155), (55, 102524), (71, 79420), (76, 74195), (95, 59356), (110, 51262), (142, 39710), (190, 29678), (209, 26980), (220, 25631), (284, 19855), (355, 15884), (361, 15620), (380, 14839), (418, 13490), (710, 7942), (722, 7810), (781, 7220), (836, 6745), (1045, 5396), (1349, 4180), (1420, 3971), (1444, 3905), (1562, 3610), (1805, 3124), (2090, 2698)]