28194100

素因数分解:

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

素因数の和:134

約数の個数: 108

約数和(自身を含む): 71432928

約数和(自身を除く): 43238828

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 71, 76, 95, 100, 110, 142, 190, 209, 220, 275, 284, 355, 361, 380, 418, 475, 550, 710, 722, 781, 836, 950, 1045, 1100, 1349, 1420, 1444, 1562, 1775, 1805, 1900, 2090, 2698, 3124, 3550, 3610, 3905, 3971, 4180, 5225, 5396, 6745, 7100, 7220, 7810, 7942, 9025, 10450, 13490, 14839, 15620, 15884, 18050, 19525, 19855, 20900, 25631, 26980, 29678, 33725, 36100, 39050, 39710, 51262, 59356, 67450, 74195, 78100, 79420, 99275, 102524, 128155, 134900, 148390, 198550, 256310, 281941, 296780, 370975, 397100, 512620, 563882, 640775, 741950, 1127764, 1281550, 1409705, 1483900, 2563100, 2819410, 5638820, 7048525, 14097050, 28194100]

約数ペア:

[(1, 28194100), (2, 14097050), (4, 7048525), (5, 5638820), (10, 2819410), (11, 2563100), (19, 1483900), (20, 1409705), (22, 1281550), (25, 1127764), (38, 741950), (44, 640775), (50, 563882), (55, 512620), (71, 397100), (76, 370975), (95, 296780), (100, 281941), (110, 256310), (142, 198550), (190, 148390), (209, 134900), (220, 128155), (275, 102524), (284, 99275), (355, 79420), (361, 78100), (380, 74195), (418, 67450), (475, 59356), (550, 51262), (710, 39710), (722, 39050), (781, 36100), (836, 33725), (950, 29678), (1045, 26980), (1100, 25631), (1349, 20900), (1420, 19855), (1444, 19525), (1562, 18050), (1775, 15884), (1805, 15620), (1900, 14839), (2090, 13490), (2698, 10450), (3124, 9025), (3550, 7942), (3610, 7810), (3905, 7220), (3971, 7100), (4180, 6745), (5225, 5396)]