220456468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 417312000

約数和(自身を除く): 196855532

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 229, 239, 458, 478, 916, 956, 1007, 2014, 4028, 4351, 4541, 8702, 9082, 12137, 12667, 17404, 18164, 24274, 25334, 48548, 50668, 54731, 109462, 218924, 230603, 240673, 461206, 481346, 922412, 962692, 1039889, 2079778, 2900743, 4159556, 5801486, 11602972, 55114117, 110228234, 220456468]

約数ペア:

[(1, 220456468), (2, 110228234), (4, 55114117), (19, 11602972), (38, 5801486), (53, 4159556), (76, 2900743), (106, 2079778), (212, 1039889), (229, 962692), (239, 922412), (458, 481346), (478, 461206), (916, 240673), (956, 230603), (1007, 218924), (2014, 109462), (4028, 54731), (4351, 50668), (4541, 48548), (8702, 25334), (9082, 24274), (12137, 18164), (12667, 17404)]