68896940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 169590960

約数和(自身を除く): 100694020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 229, 245, 307, 458, 490, 614, 916, 980, 1145, 1228, 1535, 1603, 2149, 2290, 3070, 3206, 4298, 4580, 6140, 6412, 8015, 8596, 10745, 11221, 15043, 16030, 21490, 22442, 30086, 32060, 42980, 44884, 56105, 60172, 70303, 75215, 112210, 140606, 150430, 224420, 281212, 300860, 351515, 492121, 703030, 984242, 1406060, 1968484, 2460605, 3444847, 4921210, 6889694, 9842420, 13779388, 17224235, 34448470, 68896940]

約数ペア:

[(1, 68896940), (2, 34448470), (4, 17224235), (5, 13779388), (7, 9842420), (10, 6889694), (14, 4921210), (20, 3444847), (28, 2460605), (35, 1968484), (49, 1406060), (70, 984242), (98, 703030), (140, 492121), (196, 351515), (229, 300860), (245, 281212), (307, 224420), (458, 150430), (490, 140606), (614, 112210), (916, 75215), (980, 70303), (1145, 60172), (1228, 56105), (1535, 44884), (1603, 42980), (2149, 32060), (2290, 30086), (3070, 22442), (3206, 21490), (4298, 16030), (4580, 15043), (6140, 11221), (6412, 10745), (8015, 8596)]