86449700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 196654080

約数和(自身を除く): 110204380

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 79, 100, 124, 155, 158, 310, 316, 353, 395, 620, 706, 775, 790, 1412, 1550, 1580, 1765, 1975, 2449, 3100, 3530, 3950, 4898, 7060, 7900, 8825, 9796, 10943, 12245, 17650, 21886, 24490, 27887, 35300, 43772, 48980, 54715, 55774, 61225, 109430, 111548, 122450, 139435, 218860, 244900, 273575, 278870, 547150, 557740, 697175, 864497, 1094300, 1394350, 1728994, 2788700, 3457988, 4322485, 8644970, 17289940, 21612425, 43224850, 86449700]

約数ペア:

[(1, 86449700), (2, 43224850), (4, 21612425), (5, 17289940), (10, 8644970), (20, 4322485), (25, 3457988), (31, 2788700), (50, 1728994), (62, 1394350), (79, 1094300), (100, 864497), (124, 697175), (155, 557740), (158, 547150), (310, 278870), (316, 273575), (353, 244900), (395, 218860), (620, 139435), (706, 122450), (775, 111548), (790, 109430), (1412, 61225), (1550, 55774), (1580, 54715), (1765, 48980), (1975, 43772), (2449, 35300), (3100, 27887), (3530, 24490), (3950, 21886), (4898, 17650), (7060, 12245), (7900, 10943), (8825, 9796)]