86821000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 236620800

約数和(自身を除く): 149799800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 79, 100, 125, 140, 157, 158, 175, 200, 250, 280, 314, 316, 350, 395, 500, 553, 628, 632, 700, 785, 790, 875, 1000, 1099, 1106, 1256, 1400, 1570, 1580, 1750, 1975, 2198, 2212, 2765, 3140, 3160, 3500, 3925, 3950, 4396, 4424, 5495, 5530, 6280, 7000, 7850, 7900, 8792, 9875, 10990, 11060, 12403, 13825, 15700, 15800, 19625, 19750, 21980, 22120, 24806, 27475, 27650, 31400, 39250, 39500, 43960, 49612, 54950, 55300, 62015, 69125, 78500, 79000, 86821, 99224, 109900, 110600, 124030, 137375, 138250, 157000, 173642, 219800, 248060, 274750, 276500, 310075, 347284, 434105, 496120, 549500, 553000, 620150, 694568, 868210, 1099000, 1240300, 1550375, 1736420, 2170525, 2480600, 3100750, 3472840, 4341050, 6201500, 8682100, 10852625, 12403000, 17364200, 21705250, 43410500, 86821000]

約数ペア:

[(1, 86821000), (2, 43410500), (4, 21705250), (5, 17364200), (7, 12403000), (8, 10852625), (10, 8682100), (14, 6201500), (20, 4341050), (25, 3472840), (28, 3100750), (35, 2480600), (40, 2170525), (50, 1736420), (56, 1550375), (70, 1240300), (79, 1099000), (100, 868210), (125, 694568), (140, 620150), (157, 553000), (158, 549500), (175, 496120), (200, 434105), (250, 347284), (280, 310075), (314, 276500), (316, 274750), (350, 248060), (395, 219800), (500, 173642), (553, 157000), (628, 138250), (632, 137375), (700, 124030), (785, 110600), (790, 109900), (875, 99224), (1000, 86821), (1099, 79000), (1106, 78500), (1256, 69125), (1400, 62015), (1570, 55300), (1580, 54950), (1750, 49612), (1975, 43960), (2198, 39500), (2212, 39250), (2765, 31400), (3140, 27650), (3160, 27475), (3500, 24806), (3925, 22120), (3950, 21980), (4396, 19750), (4424, 19625), (5495, 15800), (5530, 15700), (6280, 13825), (7000, 12403), (7850, 11060), (7900, 10990), (8792, 9875)]