120245900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 273315840

約数和(自身を除く): 153069940

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 79, 100, 124, 155, 158, 310, 316, 395, 491, 620, 775, 790, 982, 1550, 1580, 1964, 1975, 2449, 2455, 3100, 3950, 4898, 4910, 7900, 9796, 9820, 12245, 12275, 15221, 24490, 24550, 30442, 38789, 48980, 49100, 60884, 61225, 76105, 77578, 122450, 152210, 155156, 193945, 244900, 304420, 380525, 387890, 761050, 775780, 969725, 1202459, 1522100, 1939450, 2404918, 3878900, 4809836, 6012295, 12024590, 24049180, 30061475, 60122950, 120245900]

約数ペア:

[(1, 120245900), (2, 60122950), (4, 30061475), (5, 24049180), (10, 12024590), (20, 6012295), (25, 4809836), (31, 3878900), (50, 2404918), (62, 1939450), (79, 1522100), (100, 1202459), (124, 969725), (155, 775780), (158, 761050), (310, 387890), (316, 380525), (395, 304420), (491, 244900), (620, 193945), (775, 155156), (790, 152210), (982, 122450), (1550, 77578), (1580, 76105), (1964, 61225), (1975, 60884), (2449, 49100), (2455, 48980), (3100, 38789), (3950, 30442), (4898, 24550), (4910, 24490), (7900, 15221), (9796, 12275), (9820, 12245)]