148979300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{20983}}^1$

素因数の和:21068

約数の個数: 36

約数和(自身を含む): 327854016

約数和(自身を除く): 178874716

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 20983, 41966, 83932, 104915, 209830, 419660, 524575, 1049150, 1489793, 2098300, 2979586, 5959172, 7448965, 14897930, 29795860, 37244825, 74489650, 148979300]

約数ペア:

[(1, 148979300), (2, 74489650), (4, 37244825), (5, 29795860), (10, 14897930), (20, 7448965), (25, 5959172), (50, 2979586), (71, 2098300), (100, 1489793), (142, 1049150), (284, 524575), (355, 419660), (710, 209830), (1420, 104915), (1775, 83932), (3550, 41966), (7100, 20983)]