86612900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1205

約数の個数: 72

約数和(自身を含む): 208111680

約数和(自身を除く): 121498780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 220, 275, 284, 355, 550, 710, 781, 1100, 1109, 1420, 1562, 1775, 2218, 3124, 3550, 3905, 4436, 5545, 7100, 7810, 11090, 12199, 15620, 19525, 22180, 24398, 27725, 39050, 48796, 55450, 60995, 78100, 78739, 110900, 121990, 157478, 243980, 304975, 314956, 393695, 609950, 787390, 866129, 1219900, 1574780, 1732258, 1968475, 3464516, 3936950, 4330645, 7873900, 8661290, 17322580, 21653225, 43306450, 86612900]

約数ペア:

[(1, 86612900), (2, 43306450), (4, 21653225), (5, 17322580), (10, 8661290), (11, 7873900), (20, 4330645), (22, 3936950), (25, 3464516), (44, 1968475), (50, 1732258), (55, 1574780), (71, 1219900), (100, 866129), (110, 787390), (142, 609950), (220, 393695), (275, 314956), (284, 304975), (355, 243980), (550, 157478), (710, 121990), (781, 110900), (1100, 78739), (1109, 78100), (1420, 60995), (1562, 55450), (1775, 48796), (2218, 39050), (3124, 27725), (3550, 24398), (3905, 22180), (4436, 19525), (5545, 15620), (7100, 12199), (7810, 11090)]