87889900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 233985024

約数和(自身を除く): 146095124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 53, 70, 92, 100, 103, 106, 115, 140, 161, 175, 206, 212, 230, 265, 322, 350, 371, 412, 460, 515, 530, 575, 644, 700, 721, 742, 805, 1030, 1060, 1150, 1219, 1325, 1442, 1484, 1610, 1855, 2060, 2300, 2369, 2438, 2575, 2650, 2884, 3220, 3605, 3710, 4025, 4738, 4876, 5150, 5300, 5459, 6095, 7210, 7420, 8050, 8533, 9275, 9476, 10300, 10918, 11845, 12190, 14420, 16100, 16583, 17066, 18025, 18550, 21836, 23690, 24380, 27295, 30475, 33166, 34132, 36050, 37100, 38213, 42665, 47380, 54590, 59225, 60950, 66332, 72100, 76426, 82915, 85330, 109180, 118450, 121900, 125557, 136475, 152852, 165830, 170660, 191065, 213325, 236900, 251114, 272950, 331660, 382130, 414575, 426650, 502228, 545900, 627785, 764260, 829150, 853300, 878899, 955325, 1255570, 1658300, 1757798, 1910650, 2511140, 3138925, 3515596, 3821300, 4394495, 6277850, 8788990, 12555700, 17577980, 21972475, 43944950, 87889900]

約数ペア:

[(1, 87889900), (2, 43944950), (4, 21972475), (5, 17577980), (7, 12555700), (10, 8788990), (14, 6277850), (20, 4394495), (23, 3821300), (25, 3515596), (28, 3138925), (35, 2511140), (46, 1910650), (50, 1757798), (53, 1658300), (70, 1255570), (92, 955325), (100, 878899), (103, 853300), (106, 829150), (115, 764260), (140, 627785), (161, 545900), (175, 502228), (206, 426650), (212, 414575), (230, 382130), (265, 331660), (322, 272950), (350, 251114), (371, 236900), (412, 213325), (460, 191065), (515, 170660), (530, 165830), (575, 152852), (644, 136475), (700, 125557), (721, 121900), (742, 118450), (805, 109180), (1030, 85330), (1060, 82915), (1150, 76426), (1219, 72100), (1325, 66332), (1442, 60950), (1484, 59225), (1610, 54590), (1855, 47380), (2060, 42665), (2300, 38213), (2369, 37100), (2438, 36050), (2575, 34132), (2650, 33166), (2884, 30475), (3220, 27295), (3605, 24380), (3710, 23690), (4025, 21836), (4738, 18550), (4876, 18025), (5150, 17066), (5300, 16583), (5459, 16100), (6095, 14420), (7210, 12190), (7420, 11845), (8050, 10918), (8533, 10300), (9275, 9476)]