1971296075

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 3106944000

約数和(自身を除く): 1135647925

約数列:

[1, 5, 7, 19, 23, 25, 35, 95, 115, 133, 149, 161, 173, 175, 437, 475, 575, 665, 745, 805, 865, 1043, 1211, 2185, 2831, 3059, 3287, 3325, 3427, 3725, 3979, 4025, 4325, 5215, 6055, 10925, 14155, 15295, 16435, 17135, 19817, 19895, 23009, 23989, 25777, 26075, 27853, 30275, 65113, 70775, 75601, 76475, 82175, 85675, 99085, 99475, 115045, 119945, 128885, 139265, 180439, 325565, 378005, 455791, 489763, 495425, 529207, 575225, 592871, 599725, 644425, 696325, 902195, 1627825, 1890025, 2278955, 2448815, 2646035, 2964355, 3428341, 4150097, 4510975, 11264549, 11394775, 12244075, 13230175, 14821775, 17141705, 20750485, 56322745, 78851843, 85708525, 103752425, 281613725, 394259215, 1971296075]

約数ペア:

[(1, 1971296075), (5, 394259215), (7, 281613725), (19, 103752425), (23, 85708525), (25, 78851843), (35, 56322745), (95, 20750485), (115, 17141705), (133, 14821775), (149, 13230175), (161, 12244075), (173, 11394775), (175, 11264549), (437, 4510975), (475, 4150097), (575, 3428341), (665, 2964355), (745, 2646035), (805, 2448815), (865, 2278955), (1043, 1890025), (1211, 1627825), (2185, 902195), (2831, 696325), (3059, 644425), (3287, 599725), (3325, 592871), (3427, 575225), (3725, 529207), (3979, 495425), (4025, 489763), (4325, 455791), (5215, 378005), (6055, 325565), (10925, 180439), (14155, 139265), (15295, 128885), (16435, 119945), (17135, 115045), (19817, 99475), (19895, 99085), (23009, 85675), (23989, 82175), (25777, 76475), (26075, 75601), (27853, 70775), (30275, 65113)]