79918300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 220485888

約数和(自身を除く): 140567588

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 97, 100, 107, 110, 140, 154, 175, 194, 214, 220, 275, 308, 350, 385, 388, 428, 485, 535, 550, 679, 700, 749, 770, 970, 1067, 1070, 1100, 1177, 1358, 1498, 1540, 1925, 1940, 2134, 2140, 2354, 2425, 2675, 2716, 2996, 3395, 3745, 3850, 4268, 4708, 4850, 5335, 5350, 5885, 6790, 7469, 7490, 7700, 8239, 9700, 10379, 10670, 10700, 11770, 13580, 14938, 14980, 16478, 16975, 18725, 20758, 21340, 23540, 26675, 29425, 29876, 32956, 33950, 37345, 37450, 41195, 41516, 51895, 53350, 58850, 67900, 72653, 74690, 74900, 82390, 103790, 106700, 114169, 117700, 145306, 149380, 164780, 186725, 205975, 207580, 228338, 259475, 290612, 363265, 373450, 411950, 456676, 518950, 570845, 726530, 746900, 799183, 823900, 1037900, 1141690, 1453060, 1598366, 1816325, 2283380, 2854225, 3196732, 3632650, 3995915, 5708450, 7265300, 7991830, 11416900, 15983660, 19979575, 39959150, 79918300]

約数ペア:

[(1, 79918300), (2, 39959150), (4, 19979575), (5, 15983660), (7, 11416900), (10, 7991830), (11, 7265300), (14, 5708450), (20, 3995915), (22, 3632650), (25, 3196732), (28, 2854225), (35, 2283380), (44, 1816325), (50, 1598366), (55, 1453060), (70, 1141690), (77, 1037900), (97, 823900), (100, 799183), (107, 746900), (110, 726530), (140, 570845), (154, 518950), (175, 456676), (194, 411950), (214, 373450), (220, 363265), (275, 290612), (308, 259475), (350, 228338), (385, 207580), (388, 205975), (428, 186725), (485, 164780), (535, 149380), (550, 145306), (679, 117700), (700, 114169), (749, 106700), (770, 103790), (970, 82390), (1067, 74900), (1070, 74690), (1100, 72653), (1177, 67900), (1358, 58850), (1498, 53350), (1540, 51895), (1925, 41516), (1940, 41195), (2134, 37450), (2140, 37345), (2354, 33950), (2425, 32956), (2675, 29876), (2716, 29425), (2996, 26675), (3395, 23540), (3745, 21340), (3850, 20758), (4268, 18725), (4708, 16975), (4850, 16478), (5335, 14980), (5350, 14938), (5885, 13580), (6790, 11770), (7469, 10700), (7490, 10670), (7700, 10379), (8239, 9700)]