438678940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 1097349120

約数和(自身を除く): 658670180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 167, 203, 290, 334, 406, 580, 647, 668, 812, 835, 1015, 1169, 1294, 1670, 2030, 2338, 2588, 3235, 3340, 4060, 4529, 4676, 4843, 5845, 6470, 9058, 9686, 11690, 12940, 18116, 18763, 19372, 22645, 23380, 24215, 33901, 37526, 45290, 48430, 67802, 75052, 90580, 93815, 96860, 108049, 131341, 135604, 169505, 187630, 216098, 262682, 339010, 375260, 432196, 525364, 540245, 656705, 678020, 756343, 1080490, 1313410, 1512686, 2160980, 2626820, 3025372, 3133421, 3781715, 6266842, 7563430, 12533684, 15126860, 15667105, 21933947, 31334210, 43867894, 62668420, 87735788, 109669735, 219339470, 438678940]

約数ペア:

[(1, 438678940), (2, 219339470), (4, 109669735), (5, 87735788), (7, 62668420), (10, 43867894), (14, 31334210), (20, 21933947), (28, 15667105), (29, 15126860), (35, 12533684), (58, 7563430), (70, 6266842), (116, 3781715), (140, 3133421), (145, 3025372), (167, 2626820), (203, 2160980), (290, 1512686), (334, 1313410), (406, 1080490), (580, 756343), (647, 678020), (668, 656705), (812, 540245), (835, 525364), (1015, 432196), (1169, 375260), (1294, 339010), (1670, 262682), (2030, 216098), (2338, 187630), (2588, 169505), (3235, 135604), (3340, 131341), (4060, 108049), (4529, 96860), (4676, 93815), (4843, 90580), (5845, 75052), (6470, 67802), (9058, 48430), (9686, 45290), (11690, 37526), (12940, 33901), (18116, 24215), (18763, 23380), (19372, 22645)]