2197796975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 3358713600

約数和(自身を除く): 1160916625

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 109, 187, 209, 227, 275, 323, 425, 475, 545, 935, 1045, 1135, 1199, 1615, 1853, 2071, 2497, 2725, 3553, 3859, 4313, 4675, 5225, 5675, 5995, 8075, 9265, 10355, 12485, 17765, 19295, 20383, 21565, 22781, 24743, 29975, 35207, 42449, 46325, 47443, 51775, 62425, 73321, 88825, 96475, 101915, 107825, 113905, 123715, 176035, 212245, 237215, 272173, 366605, 387277, 420631, 470117, 509575, 569525, 618575, 806531, 880175, 1061225, 1186075, 1360865, 1833025, 1936385, 2103155, 2350585, 4032655, 4626941, 5171287, 6804325, 7991989, 9681925, 10515775, 11752925, 20163275, 23134705, 25856435, 39959945, 87911879, 115673525, 129282175, 199799725, 439559395, 2197796975]

約数ペア:

[(1, 2197796975), (5, 439559395), (11, 199799725), (17, 129282175), (19, 115673525), (25, 87911879), (55, 39959945), (85, 25856435), (95, 23134705), (109, 20163275), (187, 11752925), (209, 10515775), (227, 9681925), (275, 7991989), (323, 6804325), (425, 5171287), (475, 4626941), (545, 4032655), (935, 2350585), (1045, 2103155), (1135, 1936385), (1199, 1833025), (1615, 1360865), (1853, 1186075), (2071, 1061225), (2497, 880175), (2725, 806531), (3553, 618575), (3859, 569525), (4313, 509575), (4675, 470117), (5225, 420631), (5675, 387277), (5995, 366605), (8075, 272173), (9265, 237215), (10355, 212245), (12485, 176035), (17765, 123715), (19295, 113905), (20383, 107825), (21565, 101915), (22781, 96475), (24743, 88825), (29975, 73321), (35207, 62425), (42449, 51775), (46325, 47443)]