205280250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 596104704

約数和(自身を除く): 390824454

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 61, 70, 75, 105, 122, 125, 150, 175, 183, 210, 250, 305, 350, 366, 375, 427, 525, 610, 641, 750, 854, 875, 915, 1050, 1281, 1282, 1525, 1750, 1830, 1923, 2135, 2562, 2625, 3050, 3205, 3846, 4270, 4487, 4575, 5250, 6405, 6410, 7625, 8974, 9150, 9615, 10675, 12810, 13461, 15250, 16025, 19230, 21350, 22435, 22875, 26922, 32025, 32050, 39101, 44870, 45750, 48075, 53375, 64050, 67305, 78202, 80125, 96150, 106750, 112175, 117303, 134610, 160125, 160250, 195505, 224350, 234606, 240375, 273707, 320250, 336525, 391010, 480750, 547414, 560875, 586515, 673050, 821121, 977525, 1121750, 1173030, 1368535, 1642242, 1682625, 1955050, 2737070, 2932575, 3365250, 4105605, 4887625, 5865150, 6842675, 8211210, 9775250, 13685350, 14662875, 20528025, 29325750, 34213375, 41056050, 68426750, 102640125, 205280250]

約数ペア:

[(1, 205280250), (2, 102640125), (3, 68426750), (5, 41056050), (6, 34213375), (7, 29325750), (10, 20528025), (14, 14662875), (15, 13685350), (21, 9775250), (25, 8211210), (30, 6842675), (35, 5865150), (42, 4887625), (50, 4105605), (61, 3365250), (70, 2932575), (75, 2737070), (105, 1955050), (122, 1682625), (125, 1642242), (150, 1368535), (175, 1173030), (183, 1121750), (210, 977525), (250, 821121), (305, 673050), (350, 586515), (366, 560875), (375, 547414), (427, 480750), (525, 391010), (610, 336525), (641, 320250), (750, 273707), (854, 240375), (875, 234606), (915, 224350), (1050, 195505), (1281, 160250), (1282, 160125), (1525, 134610), (1750, 117303), (1830, 112175), (1923, 106750), (2135, 96150), (2562, 80125), (2625, 78202), (3050, 67305), (3205, 64050), (3846, 53375), (4270, 48075), (4487, 45750), (4575, 44870), (5250, 39101), (6405, 32050), (6410, 32025), (7625, 26922), (8974, 22875), (9150, 22435), (9615, 21350), (10675, 19230), (12810, 16025), (13461, 15250)]