206845900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 472469760

約数和(自身を除く): 265623860

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 139, 230, 278, 460, 556, 575, 647, 695, 1150, 1294, 1390, 2300, 2588, 2780, 3197, 3235, 3475, 6394, 6470, 6950, 12788, 12940, 13900, 14881, 15985, 16175, 29762, 31970, 32350, 59524, 63940, 64700, 74405, 79925, 89933, 148810, 159850, 179866, 297620, 319700, 359732, 372025, 449665, 744050, 899330, 1488100, 1798660, 2068459, 2248325, 4136918, 4496650, 8273836, 8993300, 10342295, 20684590, 41369180, 51711475, 103422950, 206845900]

約数ペア:

[(1, 206845900), (2, 103422950), (4, 51711475), (5, 41369180), (10, 20684590), (20, 10342295), (23, 8993300), (25, 8273836), (46, 4496650), (50, 4136918), (92, 2248325), (100, 2068459), (115, 1798660), (139, 1488100), (230, 899330), (278, 744050), (460, 449665), (556, 372025), (575, 359732), (647, 319700), (695, 297620), (1150, 179866), (1294, 159850), (1390, 148810), (2300, 89933), (2588, 79925), (2780, 74405), (3197, 64700), (3235, 63940), (3475, 59524), (6394, 32350), (6470, 31970), (6950, 29762), (12788, 16175), (12940, 15985), (13900, 14881)]