18686800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 50925312

約数和(自身を除く): 32238512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 137, 155, 176, 200, 220, 248, 274, 275, 310, 341, 400, 440, 496, 548, 550, 620, 682, 685, 775, 880, 1096, 1100, 1240, 1364, 1370, 1507, 1550, 1705, 2192, 2200, 2480, 2728, 2740, 3014, 3100, 3410, 3425, 4247, 4400, 5456, 5480, 6028, 6200, 6820, 6850, 7535, 8494, 8525, 10960, 12056, 12400, 13640, 13700, 15070, 16988, 17050, 21235, 24112, 27280, 27400, 30140, 33976, 34100, 37675, 42470, 46717, 54800, 60280, 67952, 68200, 75350, 84940, 93434, 106175, 120560, 136400, 150700, 169880, 186868, 212350, 233585, 301400, 339760, 373736, 424700, 467170, 602800, 747472, 849400, 934340, 1167925, 1698800, 1868680, 2335850, 3737360, 4671700, 9343400, 18686800]

約数ペア:

[(1, 18686800), (2, 9343400), (4, 4671700), (5, 3737360), (8, 2335850), (10, 1868680), (11, 1698800), (16, 1167925), (20, 934340), (22, 849400), (25, 747472), (31, 602800), (40, 467170), (44, 424700), (50, 373736), (55, 339760), (62, 301400), (80, 233585), (88, 212350), (100, 186868), (110, 169880), (124, 150700), (137, 136400), (155, 120560), (176, 106175), (200, 93434), (220, 84940), (248, 75350), (274, 68200), (275, 67952), (310, 60280), (341, 54800), (400, 46717), (440, 42470), (496, 37675), (548, 34100), (550, 33976), (620, 30140), (682, 27400), (685, 27280), (775, 24112), (880, 21235), (1096, 17050), (1100, 16988), (1240, 15070), (1364, 13700), (1370, 13640), (1507, 12400), (1550, 12056), (1705, 10960), (2192, 8525), (2200, 8494), (2480, 7535), (2728, 6850), (2740, 6820), (3014, 6200), (3100, 6028), (3410, 5480), (3425, 5456), (4247, 4400)]