196740880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1677

約数の個数: 120

約数和(自身を含む): 549607680

約数和(自身を除く): 352866800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1619, 1736, 1960, 2170, 2480, 3038, 3238, 3472, 3920, 4340, 6076, 6476, 7595, 8095, 8680, 11333, 12152, 12952, 15190, 16190, 17360, 22666, 24304, 25904, 30380, 32380, 45332, 50189, 56665, 60760, 64760, 79331, 90664, 100378, 113330, 121520, 129520, 158662, 181328, 200756, 226660, 250945, 317324, 351323, 396655, 401512, 453320, 501890, 634648, 702646, 793310, 803024, 906640, 1003780, 1269296, 1405292, 1586620, 1756615, 2007560, 2459261, 2810584, 3173240, 3513230, 4015120, 4918522, 5621168, 6346480, 7026460, 9837044, 12296305, 14052920, 19674088, 24592610, 28105840, 39348176, 49185220, 98370440, 196740880]

約数ペア:

[(1, 196740880), (2, 98370440), (4, 49185220), (5, 39348176), (7, 28105840), (8, 24592610), (10, 19674088), (14, 14052920), (16, 12296305), (20, 9837044), (28, 7026460), (31, 6346480), (35, 5621168), (40, 4918522), (49, 4015120), (56, 3513230), (62, 3173240), (70, 2810584), (80, 2459261), (98, 2007560), (112, 1756615), (124, 1586620), (140, 1405292), (155, 1269296), (196, 1003780), (217, 906640), (245, 803024), (248, 793310), (280, 702646), (310, 634648), (392, 501890), (434, 453320), (490, 401512), (496, 396655), (560, 351323), (620, 317324), (784, 250945), (868, 226660), (980, 200756), (1085, 181328), (1240, 158662), (1519, 129520), (1619, 121520), (1736, 113330), (1960, 100378), (2170, 90664), (2480, 79331), (3038, 64760), (3238, 60760), (3472, 56665), (3920, 50189), (4340, 45332), (6076, 32380), (6476, 30380), (7595, 25904), (8095, 24304), (8680, 22666), (11333, 17360), (12152, 16190), (12952, 15190)]