181250440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4657}}^1$

素因数の和:4814

約数の個数: 64

約数和(自身を含む): 469526400

約数和(自身を除く): 288275960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4657, 4865, 5560, 7784, 9314, 9730, 18628, 19460, 23285, 32599, 37256, 38920, 46570, 65198, 93140, 130396, 162995, 186280, 260792, 325990, 647323, 651980, 1294646, 1303960, 2589292, 3236615, 4531261, 5178584, 6473230, 9062522, 12946460, 18125044, 22656305, 25892920, 36250088, 45312610, 90625220, 181250440]

約数ペア:

[(1, 181250440), (2, 90625220), (4, 45312610), (5, 36250088), (7, 25892920), (8, 22656305), (10, 18125044), (14, 12946460), (20, 9062522), (28, 6473230), (35, 5178584), (40, 4531261), (56, 3236615), (70, 2589292), (139, 1303960), (140, 1294646), (278, 651980), (280, 647323), (556, 325990), (695, 260792), (973, 186280), (1112, 162995), (1390, 130396), (1946, 93140), (2780, 65198), (3892, 46570), (4657, 38920), (4865, 37256), (5560, 32599), (7784, 23285), (9314, 19460), (9730, 18628)]