40028100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^3\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 144

約数和(自身を含む): 135408000

約数和(自身を除く): 95379900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 343, 350, 389, 420, 490, 525, 588, 686, 700, 735, 778, 980, 1029, 1050, 1167, 1225, 1372, 1470, 1556, 1715, 1945, 2058, 2100, 2334, 2450, 2723, 2940, 3430, 3675, 3890, 4116, 4668, 4900, 5145, 5446, 5835, 6860, 7350, 7780, 8169, 8575, 9725, 10290, 10892, 11670, 13615, 14700, 16338, 17150, 19061, 19450, 20580, 23340, 25725, 27230, 29175, 32676, 34300, 38122, 38900, 40845, 51450, 54460, 57183, 58350, 68075, 76244, 81690, 95305, 102900, 114366, 116700, 133427, 136150, 163380, 190610, 204225, 228732, 266854, 272300, 285915, 381220, 400281, 408450, 476525, 533708, 571830, 667135, 800562, 816900, 953050, 1143660, 1334270, 1429575, 1601124, 1906100, 2001405, 2668540, 2859150, 3335675, 4002810, 5718300, 6671350, 8005620, 10007025, 13342700, 20014050, 40028100]

約数ペア:

[(1, 40028100), (2, 20014050), (3, 13342700), (4, 10007025), (5, 8005620), (6, 6671350), (7, 5718300), (10, 4002810), (12, 3335675), (14, 2859150), (15, 2668540), (20, 2001405), (21, 1906100), (25, 1601124), (28, 1429575), (30, 1334270), (35, 1143660), (42, 953050), (49, 816900), (50, 800562), (60, 667135), (70, 571830), (75, 533708), (84, 476525), (98, 408450), (100, 400281), (105, 381220), (140, 285915), (147, 272300), (150, 266854), (175, 228732), (196, 204225), (210, 190610), (245, 163380), (294, 136150), (300, 133427), (343, 116700), (350, 114366), (389, 102900), (420, 95305), (490, 81690), (525, 76244), (588, 68075), (686, 58350), (700, 57183), (735, 54460), (778, 51450), (980, 40845), (1029, 38900), (1050, 38122), (1167, 34300), (1225, 32676), (1372, 29175), (1470, 27230), (1556, 25725), (1715, 23340), (1945, 20580), (2058, 19450), (2100, 19061), (2334, 17150), (2450, 16338), (2723, 14700), (2940, 13615), (3430, 11670), (3675, 10892), (3890, 10290), (4116, 9725), (4668, 8575), (4900, 8169), (5145, 7780), (5446, 7350), (5835, 6860)]