244998880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{218749}}^1$

素因数の和:218771

約数の個数: 48

約数和(自身を含む): 661500000

約数和(自身を除く): 416501120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 218749, 437498, 874996, 1093745, 1531243, 1749992, 2187490, 3062486, 3499984, 4374980, 6124972, 6999968, 7656215, 8749960, 12249944, 15312430, 17499920, 24499888, 30624860, 34999840, 48999776, 61249720, 122499440, 244998880]

約数ペア:

[(1, 244998880), (2, 122499440), (4, 61249720), (5, 48999776), (7, 34999840), (8, 30624860), (10, 24499888), (14, 17499920), (16, 15312430), (20, 12249944), (28, 8749960), (32, 7656215), (35, 6999968), (40, 6124972), (56, 4374980), (70, 3499984), (80, 3062486), (112, 2187490), (140, 1749992), (160, 1531243), (224, 1093745), (280, 874996), (560, 437498), (1120, 218749)]