1257644300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{16103}}^1$

素因数の和:16199

約数の個数: 72

約数和(自身を含む): 3019306752

約数和(自身を除く): 1761662452

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, 1420, 1562, 1775, 3124, 3550, 3905, 7100, 7810, 15620, 16103, 19525, 32206, 39050, 64412, 78100, 80515, 161030, 177133, 322060, 354266, 402575, 708532, 805150, 885665, 1143313, 1610300, 1771330, 2286626, 3542660, 4428325, 4573252, 5716565, 8856650, 11433130, 12576443, 17713300, 22866260, 25152886, 28582825, 50305772, 57165650, 62882215, 114331300, 125764430, 251528860, 314411075, 628822150, 1257644300]

約数ペア:

[(1, 1257644300), (2, 628822150), (4, 314411075), (5, 251528860), (10, 125764430), (11, 114331300), (20, 62882215), (22, 57165650), (25, 50305772), (44, 28582825), (50, 25152886), (55, 22866260), (71, 17713300), (100, 12576443), (110, 11433130), (142, 8856650), (220, 5716565), (275, 4573252), (284, 4428325), (355, 3542660), (550, 2286626), (710, 1771330), (781, 1610300), (1100, 1143313), (1420, 885665), (1562, 805150), (1775, 708532), (3124, 402575), (3550, 354266), (3905, 322060), (7100, 177133), (7810, 161030), (15620, 80515), (16103, 78100), (19525, 64412), (32206, 39050)]