1636691420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4519}}^1$

素因数の和:4747

約数の個数: 96

約数和(自身を含む): 4252416000

約数和(自身を除く): 2615724580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 199, 260, 364, 398, 455, 796, 910, 995, 1393, 1820, 1990, 2587, 2786, 3980, 4519, 5174, 5572, 6965, 9038, 10348, 12935, 13930, 18076, 18109, 22595, 25870, 27860, 31633, 36218, 45190, 51740, 58747, 63266, 72436, 90380, 90545, 117494, 126532, 158165, 181090, 234988, 293735, 316330, 362180, 411229, 587470, 632660, 822458, 899281, 1174940, 1644916, 1798562, 2056145, 3597124, 4112290, 4496405, 6294967, 8224580, 8992810, 11690653, 12589934, 17985620, 23381306, 25179868, 31474835, 46762612, 58453265, 62949670, 81834571, 116906530, 125899340, 163669142, 233813060, 327338284, 409172855, 818345710, 1636691420]

約数ペア:

[(1, 1636691420), (2, 818345710), (4, 409172855), (5, 327338284), (7, 233813060), (10, 163669142), (13, 125899340), (14, 116906530), (20, 81834571), (26, 62949670), (28, 58453265), (35, 46762612), (52, 31474835), (65, 25179868), (70, 23381306), (91, 17985620), (130, 12589934), (140, 11690653), (182, 8992810), (199, 8224580), (260, 6294967), (364, 4496405), (398, 4112290), (455, 3597124), (796, 2056145), (910, 1798562), (995, 1644916), (1393, 1174940), (1820, 899281), (1990, 822458), (2587, 632660), (2786, 587470), (3980, 411229), (4519, 362180), (5174, 316330), (5572, 293735), (6965, 234988), (9038, 181090), (10348, 158165), (12935, 126532), (13930, 117494), (18076, 90545), (18109, 90380), (22595, 72436), (25870, 63266), (27860, 58747), (31633, 51740), (36218, 45190)]