63988300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 148490496

約数和(自身を除く): 84502196

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 215, 230, 430, 460, 575, 647, 860, 989, 1075, 1150, 1294, 1978, 2150, 2300, 2588, 3235, 3956, 4300, 4945, 6470, 9890, 12940, 14881, 16175, 19780, 24725, 27821, 29762, 32350, 49450, 55642, 59524, 64700, 74405, 98900, 111284, 139105, 148810, 278210, 297620, 372025, 556420, 639883, 695525, 744050, 1279766, 1391050, 1488100, 2559532, 2782100, 3199415, 6398830, 12797660, 15997075, 31994150, 63988300]

約数ペア:

[(1, 63988300), (2, 31994150), (4, 15997075), (5, 12797660), (10, 6398830), (20, 3199415), (23, 2782100), (25, 2559532), (43, 1488100), (46, 1391050), (50, 1279766), (86, 744050), (92, 695525), (100, 639883), (115, 556420), (172, 372025), (215, 297620), (230, 278210), (430, 148810), (460, 139105), (575, 111284), (647, 98900), (860, 74405), (989, 64700), (1075, 59524), (1150, 55642), (1294, 49450), (1978, 32350), (2150, 29762), (2300, 27821), (2588, 24725), (3235, 19780), (3956, 16175), (4300, 14881), (4945, 12940), (6470, 9890)]