490149793

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 620524800

約数和(自身を除く): 130375007

約数列:

[1, 7, 29, 41, 47, 49, 179, 203, 287, 329, 1189, 1253, 1363, 1421, 1927, 2009, 2303, 5191, 7339, 8323, 8413, 8771, 9541, 13489, 36337, 51373, 55883, 58261, 58891, 66787, 94423, 212831, 243977, 254359, 344933, 359611, 391181, 412237, 1489817, 1707839, 2414531, 2738267, 10003057, 10428719, 11954873, 16901717, 70021399, 490149793]

約数ペア:

[(1, 490149793), (7, 70021399), (29, 16901717), (41, 11954873), (47, 10428719), (49, 10003057), (179, 2738267), (203, 2414531), (287, 1707839), (329, 1489817), (1189, 412237), (1253, 391181), (1363, 359611), (1421, 344933), (1927, 254359), (2009, 243977), (2303, 212831), (5191, 94423), (7339, 66787), (8323, 58891), (8413, 58261), (8771, 55883), (9541, 51373), (13489, 36337)]