100996840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{227}}^2$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 265513410

約数和(自身を除く): 164516570

約数列:

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

約数ペア:

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