187410020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2069}}^1$

素因数の和:2732

約数の個数: 48

約数和(自身を含む): 450696960

約数和(自身を除く): 263286940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 1294, 2069, 2588, 3235, 4138, 4529, 6470, 8276, 9058, 10345, 12940, 14483, 18116, 20690, 22645, 28966, 41380, 45290, 57932, 72415, 90580, 144830, 289660, 1338643, 2677286, 5354572, 6693215, 9370501, 13386430, 18741002, 26772860, 37482004, 46852505, 93705010, 187410020]

約数ペア:

[(1, 187410020), (2, 93705010), (4, 46852505), (5, 37482004), (7, 26772860), (10, 18741002), (14, 13386430), (20, 9370501), (28, 6693215), (35, 5354572), (70, 2677286), (140, 1338643), (647, 289660), (1294, 144830), (2069, 90580), (2588, 72415), (3235, 57932), (4138, 45290), (4529, 41380), (6470, 28966), (8276, 22645), (9058, 20690), (10345, 18116), (12940, 14483)]