201491675

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 334175040

約数和(自身を除く): 132683365

約数列:

[1, 5, 7, 11, 19, 25, 35, 49, 55, 77, 95, 133, 175, 209, 245, 275, 385, 475, 539, 665, 787, 931, 1045, 1225, 1463, 1925, 2695, 3325, 3935, 4655, 5225, 5509, 7315, 8657, 10241, 13475, 14953, 19675, 23275, 27545, 36575, 38563, 43285, 51205, 60599, 74765, 104671, 137725, 164483, 192815, 216425, 256025, 302995, 373825, 424193, 523355, 732697, 822415, 964075, 1151381, 1514975, 2120965, 2616775, 3663485, 4112075, 5756905, 8059667, 10604825, 18317425, 28784525, 40298335, 201491675]

約数ペア:

[(1, 201491675), (5, 40298335), (7, 28784525), (11, 18317425), (19, 10604825), (25, 8059667), (35, 5756905), (49, 4112075), (55, 3663485), (77, 2616775), (95, 2120965), (133, 1514975), (175, 1151381), (209, 964075), (245, 822415), (275, 732697), (385, 523355), (475, 424193), (539, 373825), (665, 302995), (787, 256025), (931, 216425), (1045, 192815), (1225, 164483), (1463, 137725), (1925, 104671), (2695, 74765), (3325, 60599), (3935, 51205), (4655, 43285), (5225, 38563), (5509, 36575), (7315, 27545), (8657, 23275), (10241, 19675), (13475, 14953)]