161038490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1515

約数の個数: 48

約数和(自身を含む): 316016640

約数和(自身を除く): 154978150

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 361, 589, 722, 1178, 1439, 1805, 2878, 2945, 3610, 5890, 7195, 11191, 14390, 22382, 27341, 44609, 54682, 55955, 89218, 111910, 136705, 223045, 273410, 446090, 519479, 847571, 1038958, 1695142, 2597395, 4237855, 5194790, 8475710, 16103849, 32207698, 80519245, 161038490]

約数ペア:

[(1, 161038490), (2, 80519245), (5, 32207698), (10, 16103849), (19, 8475710), (31, 5194790), (38, 4237855), (62, 2597395), (95, 1695142), (155, 1038958), (190, 847571), (310, 519479), (361, 446090), (589, 273410), (722, 223045), (1178, 136705), (1439, 111910), (1805, 89218), (2878, 55955), (2945, 54682), (3610, 44609), (5890, 27341), (7195, 22382), (11191, 14390)]