644454020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 1745888256

約数和(自身を除く): 1101434236

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 61, 68, 70, 85, 92, 115, 119, 122, 140, 161, 170, 193, 230, 238, 244, 305, 322, 340, 386, 391, 427, 460, 476, 595, 610, 644, 772, 782, 805, 854, 965, 1037, 1190, 1220, 1351, 1403, 1564, 1610, 1708, 1930, 1955, 2074, 2135, 2380, 2702, 2737, 2806, 3220, 3281, 3860, 3910, 4148, 4270, 4439, 5185, 5404, 5474, 5612, 6562, 6755, 7015, 7259, 7820, 8540, 8878, 9821, 10370, 10948, 11773, 13124, 13510, 13685, 14030, 14518, 16405, 17756, 19642, 20740, 22195, 22967, 23546, 23851, 27020, 27370, 28060, 29036, 31073, 32810, 36295, 39284, 44390, 45934, 47092, 47702, 49105, 54740, 58865, 62146, 65620, 72590, 75463, 82411, 88780, 91868, 95404, 98210, 114835, 117730, 119255, 124292, 145180, 150926, 155365, 164822, 166957, 196420, 200141, 229670, 235460, 238510, 270779, 301852, 310730, 329644, 333914, 377315, 400282, 412055, 459340, 477020, 528241, 541558, 621460, 667828, 754630, 800564, 824110, 834785, 1000705, 1056482, 1083116, 1353895, 1400987, 1509260, 1648220, 1669570, 1895453, 2001410, 2112964, 2641205, 2707790, 2801974, 3339140, 3790906, 4002820, 4603243, 5282410, 5415580, 5603948, 7004935, 7581812, 9206486, 9477265, 10564820, 14009870, 18412972, 18954530, 23016215, 28019740, 32222701, 37909060, 46032430, 64445402, 92064860, 128890804, 161113505, 322227010, 644454020]

約数ペア:

[(1, 644454020), (2, 322227010), (4, 161113505), (5, 128890804), (7, 92064860), (10, 64445402), (14, 46032430), (17, 37909060), (20, 32222701), (23, 28019740), (28, 23016215), (34, 18954530), (35, 18412972), (46, 14009870), (61, 10564820), (68, 9477265), (70, 9206486), (85, 7581812), (92, 7004935), (115, 5603948), (119, 5415580), (122, 5282410), (140, 4603243), (161, 4002820), (170, 3790906), (193, 3339140), (230, 2801974), (238, 2707790), (244, 2641205), (305, 2112964), (322, 2001410), (340, 1895453), (386, 1669570), (391, 1648220), (427, 1509260), (460, 1400987), (476, 1353895), (595, 1083116), (610, 1056482), (644, 1000705), (772, 834785), (782, 824110), (805, 800564), (854, 754630), (965, 667828), (1037, 621460), (1190, 541558), (1220, 528241), (1351, 477020), (1403, 459340), (1564, 412055), (1610, 400282), (1708, 377315), (1930, 333914), (1955, 329644), (2074, 310730), (2135, 301852), (2380, 270779), (2702, 238510), (2737, 235460), (2806, 229670), (3220, 200141), (3281, 196420), (3860, 166957), (3910, 164822), (4148, 155365), (4270, 150926), (4439, 145180), (5185, 124292), (5404, 119255), (5474, 117730), (5612, 114835), (6562, 98210), (6755, 95404), (7015, 91868), (7259, 88780), (7820, 82411), (8540, 75463), (8878, 72590), (9821, 65620), (10370, 62146), (10948, 58865), (11773, 54740), (13124, 49105), (13510, 47702), (13685, 47092), (14030, 45934), (14518, 44390), (16405, 39284), (17756, 36295), (19642, 32810), (20740, 31073), (22195, 29036), (22967, 28060), (23546, 27370), (23851, 27020)]