42560420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 105058296

約数和(自身を除く): 62497876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 137, 140, 196, 245, 274, 317, 490, 548, 634, 685, 959, 980, 1268, 1370, 1585, 1918, 2219, 2740, 3170, 3836, 4438, 4795, 6340, 6713, 8876, 9590, 11095, 13426, 15533, 19180, 22190, 26852, 31066, 33565, 43429, 44380, 62132, 67130, 77665, 86858, 134260, 155330, 173716, 217145, 304003, 310660, 434290, 608006, 868580, 1216012, 1520015, 2128021, 3040030, 4256042, 6080060, 8512084, 10640105, 21280210, 42560420]

約数ペア:

[(1, 42560420), (2, 21280210), (4, 10640105), (5, 8512084), (7, 6080060), (10, 4256042), (14, 3040030), (20, 2128021), (28, 1520015), (35, 1216012), (49, 868580), (70, 608006), (98, 434290), (137, 310660), (140, 304003), (196, 217145), (245, 173716), (274, 155330), (317, 134260), (490, 86858), (548, 77665), (634, 67130), (685, 62132), (959, 44380), (980, 43429), (1268, 33565), (1370, 31066), (1585, 26852), (1918, 22190), (2219, 19180), (2740, 15533), (3170, 13426), (3836, 11095), (4438, 9590), (4795, 8876), (6340, 6713)]