7104690040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{127507}}^1$

素因数の和:127724

約数の個数: 64

約数和(自身を含む): 18361152000

約数和(自身を除く): 11256461960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1990, 2786, 3980, 5572, 6965, 7960, 11144, 13930, 27860, 55720, 127507, 255014, 510028, 637535, 892549, 1020056, 1275070, 1785098, 2550140, 3570196, 4462745, 5100280, 7140392, 8925490, 17850980, 25373893, 35701960, 50747786, 101495572, 126869465, 177617251, 202991144, 253738930, 355234502, 507477860, 710469004, 888086255, 1014955720, 1420938008, 1776172510, 3552345020, 7104690040]

約数ペア:

[(1, 7104690040), (2, 3552345020), (4, 1776172510), (5, 1420938008), (7, 1014955720), (8, 888086255), (10, 710469004), (14, 507477860), (20, 355234502), (28, 253738930), (35, 202991144), (40, 177617251), (56, 126869465), (70, 101495572), (140, 50747786), (199, 35701960), (280, 25373893), (398, 17850980), (796, 8925490), (995, 7140392), (1393, 5100280), (1592, 4462745), (1990, 3570196), (2786, 2550140), (3980, 1785098), (5572, 1275070), (6965, 1020056), (7960, 892549), (11144, 637535), (13930, 510028), (27860, 255014), (55720, 127507)]