1289150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 2678400

約数和(自身を除く): 1389250

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 59, 95, 115, 118, 190, 230, 295, 437, 475, 575, 590, 874, 950, 1121, 1150, 1357, 1475, 2185, 2242, 2714, 2950, 4370, 5605, 6785, 10925, 11210, 13570, 21850, 25783, 28025, 33925, 51566, 56050, 67850, 128915, 257830, 644575, 1289150]

約数ペア:

[(1, 1289150), (2, 644575), (5, 257830), (10, 128915), (19, 67850), (23, 56050), (25, 51566), (38, 33925), (46, 28025), (50, 25783), (59, 21850), (95, 13570), (115, 11210), (118, 10925), (190, 6785), (230, 5605), (295, 4370), (437, 2950), (475, 2714), (575, 2242), (590, 2185), (874, 1475), (950, 1357), (1121, 1150)]