290415855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^2\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 498718080

約数和(自身を除く): 208302225

約数列:

[1, 3, 5, 15, 19, 57, 67, 95, 201, 227, 285, 335, 681, 1005, 1135, 1273, 3405, 3819, 4313, 4489, 6365, 12939, 13467, 15209, 19095, 21565, 22445, 45627, 64695, 67335, 76045, 85291, 228135, 255873, 288971, 426455, 866913, 1019003, 1279365, 1444855, 3057009, 4334565, 5095015, 15285045, 19361057, 58083171, 96805285, 290415855]

約数ペア:

[(1, 290415855), (3, 96805285), (5, 58083171), (15, 19361057), (19, 15285045), (57, 5095015), (67, 4334565), (95, 3057009), (201, 1444855), (227, 1279365), (285, 1019003), (335, 866913), (681, 426455), (1005, 288971), (1135, 255873), (1273, 228135), (3405, 85291), (3819, 76045), (4313, 67335), (4489, 64695), (6365, 45627), (12939, 22445), (13467, 21565), (15209, 19095)]