16784950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 42747264

約数和(自身を除く): 25962314

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 25, 26, 31, 34, 35, 49, 50, 62, 65, 70, 85, 91, 98, 119, 130, 155, 170, 175, 182, 217, 221, 238, 245, 310, 325, 350, 403, 425, 434, 442, 455, 490, 527, 595, 637, 650, 775, 806, 833, 850, 910, 1054, 1085, 1105, 1190, 1225, 1274, 1519, 1547, 1550, 1666, 2015, 2170, 2210, 2275, 2450, 2635, 2821, 2975, 3038, 3094, 3185, 3689, 4030, 4165, 4550, 5270, 5425, 5525, 5642, 5950, 6370, 6851, 7378, 7595, 7735, 8330, 10075, 10829, 10850, 11050, 13175, 13702, 14105, 15190, 15470, 15925, 18445, 19747, 20150, 20825, 21658, 25823, 26350, 28210, 31850, 34255, 36890, 37975, 38675, 39494, 41650, 47957, 51646, 54145, 68510, 70525, 75950, 77350, 92225, 95914, 98735, 108290, 129115, 141050, 171275, 184450, 197470, 239785, 258230, 270725, 335699, 342550, 479570, 493675, 541450, 645575, 671398, 987350, 1198925, 1291150, 1678495, 2397850, 3356990, 8392475, 16784950]

約数ペア:

[(1, 16784950), (2, 8392475), (5, 3356990), (7, 2397850), (10, 1678495), (13, 1291150), (14, 1198925), (17, 987350), (25, 671398), (26, 645575), (31, 541450), (34, 493675), (35, 479570), (49, 342550), (50, 335699), (62, 270725), (65, 258230), (70, 239785), (85, 197470), (91, 184450), (98, 171275), (119, 141050), (130, 129115), (155, 108290), (170, 98735), (175, 95914), (182, 92225), (217, 77350), (221, 75950), (238, 70525), (245, 68510), (310, 54145), (325, 51646), (350, 47957), (403, 41650), (425, 39494), (434, 38675), (442, 37975), (455, 36890), (490, 34255), (527, 31850), (595, 28210), (637, 26350), (650, 25823), (775, 21658), (806, 20825), (833, 20150), (850, 19747), (910, 18445), (1054, 15925), (1085, 15470), (1105, 15190), (1190, 14105), (1225, 13702), (1274, 13175), (1519, 11050), (1547, 10850), (1550, 10829), (1666, 10075), (2015, 8330), (2170, 7735), (2210, 7595), (2275, 7378), (2450, 6851), (2635, 6370), (2821, 5950), (2975, 5642), (3038, 5525), (3094, 5425), (3185, 5270), (3689, 4550), (4030, 4165)]