391393600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:673

約数の個数: 168

約数和(自身を含む): 1072375808

約数和(自身を除く): 680982208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 248, 260, 310, 320, 325, 400, 403, 416, 496, 520, 607, 620, 650, 775, 800, 806, 832, 992, 1040, 1214, 1240, 1300, 1550, 1600, 1612, 1984, 2015, 2080, 2428, 2480, 2600, 3035, 3100, 3224, 4030, 4160, 4856, 4960, 5200, 6070, 6200, 6448, 7891, 8060, 9712, 9920, 10075, 10400, 12140, 12400, 12896, 15175, 15782, 16120, 18817, 19424, 20150, 20800, 24280, 24800, 25792, 30350, 31564, 32240, 37634, 38848, 39455, 40300, 48560, 49600, 60700, 63128, 64480, 75268, 78910, 80600, 94085, 97120, 121400, 126256, 128960, 150536, 157820, 161200, 188170, 194240, 197275, 242800, 244621, 252512, 301072, 315640, 322400, 376340, 394550, 470425, 485600, 489242, 505024, 602144, 631280, 644800, 752680, 789100, 940850, 971200, 978484, 1204288, 1223105, 1262560, 1505360, 1578200, 1881700, 1956968, 2446210, 2525120, 3010720, 3156400, 3763400, 3913936, 4892420, 6021440, 6115525, 6312800, 7526800, 7827872, 9784840, 12231050, 12625600, 15053600, 15655744, 19569680, 24462100, 30107200, 39139360, 48924200, 78278720, 97848400, 195696800, 391393600]

約数ペア:

[(1, 391393600), (2, 195696800), (4, 97848400), (5, 78278720), (8, 48924200), (10, 39139360), (13, 30107200), (16, 24462100), (20, 19569680), (25, 15655744), (26, 15053600), (31, 12625600), (32, 12231050), (40, 9784840), (50, 7827872), (52, 7526800), (62, 6312800), (64, 6115525), (65, 6021440), (80, 4892420), (100, 3913936), (104, 3763400), (124, 3156400), (130, 3010720), (155, 2525120), (160, 2446210), (200, 1956968), (208, 1881700), (248, 1578200), (260, 1505360), (310, 1262560), (320, 1223105), (325, 1204288), (400, 978484), (403, 971200), (416, 940850), (496, 789100), (520, 752680), (607, 644800), (620, 631280), (650, 602144), (775, 505024), (800, 489242), (806, 485600), (832, 470425), (992, 394550), (1040, 376340), (1214, 322400), (1240, 315640), (1300, 301072), (1550, 252512), (1600, 244621), (1612, 242800), (1984, 197275), (2015, 194240), (2080, 188170), (2428, 161200), (2480, 157820), (2600, 150536), (3035, 128960), (3100, 126256), (3224, 121400), (4030, 97120), (4160, 94085), (4856, 80600), (4960, 78910), (5200, 75268), (6070, 64480), (6200, 63128), (6448, 60700), (7891, 49600), (8060, 48560), (9712, 40300), (9920, 39455), (10075, 38848), (10400, 37634), (12140, 32240), (12400, 31564), (12896, 30350), (15175, 25792), (15782, 24800), (16120, 24280), (18817, 20800), (19424, 20150)]