866139680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{110477}}^1$

素因数の和:110506

約数の個数: 72

約数和(自身を含む): 2380358988

約数和(自身を除く): 1514219308

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 110477, 220954, 441908, 552385, 773339, 883816, 1104770, 1546678, 1767632, 2209540, 3093356, 3535264, 3866695, 4419080, 5413373, 6186712, 7733390, 8838160, 10826746, 12373424, 15466780, 17676320, 21653492, 24746848, 27066865, 30933560, 43306984, 54133730, 61867120, 86613968, 108267460, 123734240, 173227936, 216534920, 433069840, 866139680]

約数ペア:

[(1, 866139680), (2, 433069840), (4, 216534920), (5, 173227936), (7, 123734240), (8, 108267460), (10, 86613968), (14, 61867120), (16, 54133730), (20, 43306984), (28, 30933560), (32, 27066865), (35, 24746848), (40, 21653492), (49, 17676320), (56, 15466780), (70, 12373424), (80, 10826746), (98, 8838160), (112, 7733390), (140, 6186712), (160, 5413373), (196, 4419080), (224, 3866695), (245, 3535264), (280, 3093356), (392, 2209540), (490, 1767632), (560, 1546678), (784, 1104770), (980, 883816), (1120, 773339), (1568, 552385), (1960, 441908), (3920, 220954), (7840, 110477)]