90844700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 209622000

約数和(自身を除く): 118777300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 137, 190, 274, 349, 380, 475, 548, 685, 698, 950, 1370, 1396, 1745, 1900, 2603, 2740, 3425, 3490, 5206, 6631, 6850, 6980, 8725, 10412, 13015, 13262, 13700, 17450, 26030, 26524, 33155, 34900, 47813, 52060, 65075, 66310, 95626, 130150, 132620, 165775, 191252, 239065, 260300, 331550, 478130, 663100, 908447, 956260, 1195325, 1816894, 2390650, 3633788, 4542235, 4781300, 9084470, 18168940, 22711175, 45422350, 90844700]

約数ペア:

[(1, 90844700), (2, 45422350), (4, 22711175), (5, 18168940), (10, 9084470), (19, 4781300), (20, 4542235), (25, 3633788), (38, 2390650), (50, 1816894), (76, 1195325), (95, 956260), (100, 908447), (137, 663100), (190, 478130), (274, 331550), (349, 260300), (380, 239065), (475, 191252), (548, 165775), (685, 132620), (698, 130150), (950, 95626), (1370, 66310), (1396, 65075), (1745, 52060), (1900, 47813), (2603, 34900), (2740, 33155), (3425, 26524), (3490, 26030), (5206, 17450), (6631, 13700), (6850, 13262), (6980, 13015), (8725, 10412)]