258495900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:948

約数の個数: 144

約数和(自身を含む): 816614400

約数和(自身を除く): 558118500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 79, 100, 130, 150, 156, 158, 195, 237, 260, 300, 316, 325, 390, 395, 474, 650, 780, 790, 839, 948, 975, 1027, 1185, 1300, 1580, 1678, 1950, 1975, 2054, 2370, 2517, 3081, 3356, 3900, 3950, 4108, 4195, 4740, 5034, 5135, 5925, 6162, 7900, 8390, 10068, 10270, 10907, 11850, 12324, 12585, 15405, 16780, 20540, 20975, 21814, 23700, 25170, 25675, 30810, 32721, 41950, 43628, 50340, 51350, 54535, 61620, 62925, 65442, 66281, 77025, 83900, 102700, 109070, 125850, 130884, 132562, 154050, 163605, 198843, 218140, 251700, 265124, 272675, 308100, 327210, 331405, 397686, 545350, 654420, 662810, 795372, 818025, 861653, 994215, 1090700, 1325620, 1636050, 1657025, 1723306, 1988430, 2584959, 3272100, 3314050, 3446612, 3976860, 4308265, 4971075, 5169918, 6628100, 8616530, 9942150, 10339836, 12924795, 17233060, 19884300, 21541325, 25849590, 43082650, 51699180, 64623975, 86165300, 129247950, 258495900]

約数ペア:

[(1, 258495900), (2, 129247950), (3, 86165300), (4, 64623975), (5, 51699180), (6, 43082650), (10, 25849590), (12, 21541325), (13, 19884300), (15, 17233060), (20, 12924795), (25, 10339836), (26, 9942150), (30, 8616530), (39, 6628100), (50, 5169918), (52, 4971075), (60, 4308265), (65, 3976860), (75, 3446612), (78, 3314050), (79, 3272100), (100, 2584959), (130, 1988430), (150, 1723306), (156, 1657025), (158, 1636050), (195, 1325620), (237, 1090700), (260, 994215), (300, 861653), (316, 818025), (325, 795372), (390, 662810), (395, 654420), (474, 545350), (650, 397686), (780, 331405), (790, 327210), (839, 308100), (948, 272675), (975, 265124), (1027, 251700), (1185, 218140), (1300, 198843), (1580, 163605), (1678, 154050), (1950, 132562), (1975, 130884), (2054, 125850), (2370, 109070), (2517, 102700), (3081, 83900), (3356, 77025), (3900, 66281), (3950, 65442), (4108, 62925), (4195, 61620), (4740, 54535), (5034, 51350), (5135, 50340), (5925, 43628), (6162, 41950), (7900, 32721), (8390, 30810), (10068, 25675), (10270, 25170), (10907, 23700), (11850, 21814), (12324, 20975), (12585, 20540), (15405, 16780)]