189940480

素因数分解:

$2^8\times 5^1\times {\mathrm{179}}^1\times {\mathrm{829}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 458060400

約数和(自身を除く): 268119920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 256, 320, 358, 640, 716, 829, 895, 1280, 1432, 1658, 1790, 2864, 3316, 3580, 4145, 5728, 6632, 7160, 8290, 11456, 13264, 14320, 16580, 22912, 26528, 28640, 33160, 45824, 53056, 57280, 66320, 106112, 114560, 132640, 148391, 212224, 229120, 265280, 296782, 530560, 593564, 741955, 1061120, 1187128, 1483910, 2374256, 2967820, 4748512, 5935640, 9497024, 11871280, 18994048, 23742560, 37988096, 47485120, 94970240, 189940480]

約数ペア:

[(1, 189940480), (2, 94970240), (4, 47485120), (5, 37988096), (8, 23742560), (10, 18994048), (16, 11871280), (20, 9497024), (32, 5935640), (40, 4748512), (64, 2967820), (80, 2374256), (128, 1483910), (160, 1187128), (179, 1061120), (256, 741955), (320, 593564), (358, 530560), (640, 296782), (716, 265280), (829, 229120), (895, 212224), (1280, 148391), (1432, 132640), (1658, 114560), (1790, 106112), (2864, 66320), (3316, 57280), (3580, 53056), (4145, 45824), (5728, 33160), (6632, 28640), (7160, 26528), (8290, 22912), (11456, 16580), (13264, 14320)]