28731800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7561}}^1$

素因数の和:7596

約数の個数: 48

約数和(自身を含む): 70326600

約数和(自身を除く): 41594800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 7561, 15122, 30244, 37805, 60488, 75610, 143659, 151220, 189025, 287318, 302440, 378050, 574636, 718295, 756100, 1149272, 1436590, 1512200, 2873180, 3591475, 5746360, 7182950, 14365900, 28731800]

約数ペア:

[(1, 28731800), (2, 14365900), (4, 7182950), (5, 5746360), (8, 3591475), (10, 2873180), (19, 1512200), (20, 1436590), (25, 1149272), (38, 756100), (40, 718295), (50, 574636), (76, 378050), (95, 302440), (100, 287318), (152, 189025), (190, 151220), (200, 143659), (380, 75610), (475, 60488), (760, 37805), (950, 30244), (1900, 15122), (3800, 7561)]