19790925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 42854400

約数和(自身を除く): 23063475

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 25, 33, 35, 55, 69, 75, 77, 105, 115, 149, 161, 165, 175, 231, 253, 275, 345, 385, 447, 483, 525, 575, 745, 759, 805, 825, 1043, 1155, 1265, 1639, 1725, 1771, 1925, 2235, 2415, 3129, 3427, 3725, 3795, 4025, 4917, 5215, 5313, 5775, 6325, 8195, 8855, 10281, 11175, 11473, 12075, 15645, 17135, 18975, 23989, 24585, 26075, 26565, 34419, 37697, 40975, 44275, 51405, 57365, 71967, 78225, 85675, 113091, 119945, 122925, 132825, 172095, 188485, 257025, 263879, 286825, 359835, 565455, 599725, 791637, 860475, 942425, 1319395, 1799175, 2827275, 3958185, 6596975, 19790925]

約数ペア:

[(1, 19790925), (3, 6596975), (5, 3958185), (7, 2827275), (11, 1799175), (15, 1319395), (21, 942425), (23, 860475), (25, 791637), (33, 599725), (35, 565455), (55, 359835), (69, 286825), (75, 263879), (77, 257025), (105, 188485), (115, 172095), (149, 132825), (161, 122925), (165, 119945), (175, 113091), (231, 85675), (253, 78225), (275, 71967), (345, 57365), (385, 51405), (447, 44275), (483, 40975), (525, 37697), (575, 34419), (745, 26565), (759, 26075), (805, 24585), (825, 23989), (1043, 18975), (1155, 17135), (1265, 15645), (1639, 12075), (1725, 11473), (1771, 11175), (1925, 10281), (2235, 8855), (2415, 8195), (3129, 6325), (3427, 5775), (3725, 5313), (3795, 5215), (4025, 4917)]