201993680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{227}}^2$

素因数の和:481

約数の個数: 90

約数和(自身を含む): 548727714

約数和(自身を除く): 346734034

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 227, 245, 280, 392, 454, 490, 560, 784, 908, 980, 1135, 1589, 1816, 1960, 2270, 3178, 3632, 3920, 4540, 6356, 7945, 9080, 11123, 12712, 15890, 18160, 22246, 25424, 31780, 44492, 51529, 55615, 63560, 88984, 103058, 111230, 127120, 177968, 206116, 222460, 257645, 360703, 412232, 444920, 515290, 721406, 824464, 889840, 1030580, 1442812, 1803515, 2061160, 2524921, 2885624, 3607030, 4122320, 5049842, 5771248, 7214060, 10099684, 12624605, 14428120, 20199368, 25249210, 28856240, 40398736, 50498420, 100996840, 201993680]

約数ペア:

[(1, 201993680), (2, 100996840), (4, 50498420), (5, 40398736), (7, 28856240), (8, 25249210), (10, 20199368), (14, 14428120), (16, 12624605), (20, 10099684), (28, 7214060), (35, 5771248), (40, 5049842), (49, 4122320), (56, 3607030), (70, 2885624), (80, 2524921), (98, 2061160), (112, 1803515), (140, 1442812), (196, 1030580), (227, 889840), (245, 824464), (280, 721406), (392, 515290), (454, 444920), (490, 412232), (560, 360703), (784, 257645), (908, 222460), (980, 206116), (1135, 177968), (1589, 127120), (1816, 111230), (1960, 103058), (2270, 88984), (3178, 63560), (3632, 55615), (3920, 51529), (4540, 44492), (6356, 31780), (7945, 25424), (9080, 22246), (11123, 18160), (12712, 15890)]