1991030800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1398

約数の個数: 180

約数和(自身を含む): 5431541248

約数和(自身を除く): 3440510448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 121, 124, 155, 176, 200, 220, 242, 248, 275, 310, 341, 400, 440, 484, 496, 550, 605, 620, 682, 775, 880, 968, 1100, 1210, 1240, 1327, 1364, 1550, 1705, 1936, 2200, 2420, 2480, 2654, 2728, 3025, 3100, 3410, 3751, 4400, 4840, 5308, 5456, 6050, 6200, 6635, 6820, 7502, 8525, 9680, 10616, 12100, 12400, 13270, 13640, 14597, 15004, 17050, 18755, 21232, 24200, 26540, 27280, 29194, 30008, 33175, 34100, 37510, 41137, 48400, 53080, 58388, 60016, 66350, 68200, 72985, 75020, 82274, 93775, 106160, 116776, 132700, 136400, 145970, 150040, 160567, 164548, 187550, 205685, 233552, 265400, 291940, 300080, 321134, 329096, 364925, 375100, 411370, 452507, 530800, 583880, 642268, 658192, 729850, 750200, 802835, 822740, 905014, 1028425, 1167760, 1284536, 1459700, 1500400, 1605670, 1645480, 1810028, 2056850, 2262535, 2569072, 2919400, 3211340, 3290960, 3620056, 4014175, 4113700, 4525070, 4977577, 5838800, 6422680, 7240112, 8028350, 8227400, 9050140, 9955154, 11312675, 12845360, 16056700, 16454800, 18100280, 19910308, 22625350, 24887885, 32113400, 36200560, 39820616, 45250700, 49775770, 64226800, 79641232, 90501400, 99551540, 124439425, 181002800, 199103080, 248878850, 398206160, 497757700, 995515400, 1991030800]

約数ペア:

[(1, 1991030800), (2, 995515400), (4, 497757700), (5, 398206160), (8, 248878850), (10, 199103080), (11, 181002800), (16, 124439425), (20, 99551540), (22, 90501400), (25, 79641232), (31, 64226800), (40, 49775770), (44, 45250700), (50, 39820616), (55, 36200560), (62, 32113400), (80, 24887885), (88, 22625350), (100, 19910308), (110, 18100280), (121, 16454800), (124, 16056700), (155, 12845360), (176, 11312675), (200, 9955154), (220, 9050140), (242, 8227400), (248, 8028350), (275, 7240112), (310, 6422680), (341, 5838800), (400, 4977577), (440, 4525070), (484, 4113700), (496, 4014175), (550, 3620056), (605, 3290960), (620, 3211340), (682, 2919400), (775, 2569072), (880, 2262535), (968, 2056850), (1100, 1810028), (1210, 1645480), (1240, 1605670), (1327, 1500400), (1364, 1459700), (1550, 1284536), (1705, 1167760), (1936, 1028425), (2200, 905014), (2420, 822740), (2480, 802835), (2654, 750200), (2728, 729850), (3025, 658192), (3100, 642268), (3410, 583880), (3751, 530800), (4400, 452507), (4840, 411370), (5308, 375100), (5456, 364925), (6050, 329096), (6200, 321134), (6635, 300080), (6820, 291940), (7502, 265400), (8525, 233552), (9680, 205685), (10616, 187550), (12100, 164548), (12400, 160567), (13270, 150040), (13640, 145970), (14597, 136400), (15004, 132700), (17050, 116776), (18755, 106160), (21232, 93775), (24200, 82274), (26540, 75020), (27280, 72985), (29194, 68200), (30008, 66350), (33175, 60016), (34100, 58388), (37510, 53080), (41137, 48400)]