20001476900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1129}}^1$

素因数の和:1362

約数の個数: 144

約数和(自身を含む): 46344690000

約数和(自身を除く): 26343213100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 41, 50, 58, 82, 100, 116, 145, 149, 164, 205, 290, 298, 410, 580, 596, 725, 745, 820, 1025, 1129, 1189, 1450, 1490, 2050, 2258, 2378, 2900, 2980, 3725, 4100, 4321, 4516, 4756, 5645, 5945, 6109, 7450, 8642, 11290, 11890, 12218, 14900, 17284, 21605, 22580, 23780, 24436, 28225, 29725, 30545, 32741, 43210, 46289, 56450, 59450, 61090, 65482, 86420, 92578, 108025, 112900, 118900, 122180, 130964, 152725, 163705, 168221, 177161, 185156, 216050, 231445, 305450, 327410, 336442, 354322, 432100, 462890, 610900, 654820, 672884, 708644, 818525, 841105, 885805, 925780, 1157225, 1342381, 1637050, 1682210, 1771610, 2314450, 2684762, 3274100, 3364420, 3543220, 4205525, 4429025, 4628900, 4878409, 5369524, 6711905, 6897061, 8411050, 8858050, 9756818, 13423810, 13794122, 16822100, 17716100, 19513636, 24392045, 26847620, 27588244, 33559525, 34485305, 48784090, 67119050, 68970610, 97568180, 121960225, 134238100, 137941220, 172426525, 200014769, 243920450, 344853050, 400029538, 487840900, 689706100, 800059076, 1000073845, 2000147690, 4000295380, 5000369225, 10000738450, 20001476900]

約数ペア:

[(1, 20001476900), (2, 10000738450), (4, 5000369225), (5, 4000295380), (10, 2000147690), (20, 1000073845), (25, 800059076), (29, 689706100), (41, 487840900), (50, 400029538), (58, 344853050), (82, 243920450), (100, 200014769), (116, 172426525), (145, 137941220), (149, 134238100), (164, 121960225), (205, 97568180), (290, 68970610), (298, 67119050), (410, 48784090), (580, 34485305), (596, 33559525), (725, 27588244), (745, 26847620), (820, 24392045), (1025, 19513636), (1129, 17716100), (1189, 16822100), (1450, 13794122), (1490, 13423810), (2050, 9756818), (2258, 8858050), (2378, 8411050), (2900, 6897061), (2980, 6711905), (3725, 5369524), (4100, 4878409), (4321, 4628900), (4516, 4429025), (4756, 4205525), (5645, 3543220), (5945, 3364420), (6109, 3274100), (7450, 2684762), (8642, 2314450), (11290, 1771610), (11890, 1682210), (12218, 1637050), (14900, 1342381), (17284, 1157225), (21605, 925780), (22580, 885805), (23780, 841105), (24436, 818525), (28225, 708644), (29725, 672884), (30545, 654820), (32741, 610900), (43210, 462890), (46289, 432100), (56450, 354322), (59450, 336442), (61090, 327410), (65482, 305450), (86420, 231445), (92578, 216050), (108025, 185156), (112900, 177161), (118900, 168221), (122180, 163705), (130964, 152725)]