465842020

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 1164655800

約数和(自身を除く): 698813780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 109, 140, 178, 196, 218, 245, 343, 356, 436, 445, 490, 545, 623, 686, 763, 890, 980, 1090, 1246, 1372, 1526, 1715, 1780, 2180, 2401, 2492, 3052, 3115, 3430, 3815, 4361, 4802, 5341, 6230, 6860, 7630, 8722, 9604, 9701, 10682, 12005, 12460, 15260, 17444, 19402, 21364, 21805, 24010, 26705, 30527, 37387, 38804, 43610, 48020, 48505, 53410, 61054, 67907, 74774, 87220, 97010, 106820, 122108, 135814, 149548, 152635, 186935, 194020, 213689, 261709, 271628, 305270, 339535, 373870, 427378, 475349, 523418, 610540, 679070, 747740, 854756, 950698, 1046836, 1068445, 1308545, 1358140, 1901396, 2136890, 2376745, 2617090, 3327443, 4273780, 4753490, 5234180, 6654886, 9506980, 13309772, 16637215, 23292101, 33274430, 46584202, 66548860, 93168404, 116460505, 232921010, 465842020]

約数ペア:

[(1, 465842020), (2, 232921010), (4, 116460505), (5, 93168404), (7, 66548860), (10, 46584202), (14, 33274430), (20, 23292101), (28, 16637215), (35, 13309772), (49, 9506980), (70, 6654886), (89, 5234180), (98, 4753490), (109, 4273780), (140, 3327443), (178, 2617090), (196, 2376745), (218, 2136890), (245, 1901396), (343, 1358140), (356, 1308545), (436, 1068445), (445, 1046836), (490, 950698), (545, 854756), (623, 747740), (686, 679070), (763, 610540), (890, 523418), (980, 475349), (1090, 427378), (1246, 373870), (1372, 339535), (1526, 305270), (1715, 271628), (1780, 261709), (2180, 213689), (2401, 194020), (2492, 186935), (3052, 152635), (3115, 149548), (3430, 135814), (3815, 122108), (4361, 106820), (4802, 97010), (5341, 87220), (6230, 74774), (6860, 67907), (7630, 61054), (8722, 53410), (9604, 48505), (9701, 48020), (10682, 43610), (12005, 38804), (12460, 37387), (15260, 30527), (17444, 26705), (19402, 24010), (21364, 21805)]