196939280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79411}}^1$

素因数の和:79455

約数の個数: 40

約数和(自身を含む): 472660224

約数和(自身を除く): 275720944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 79411, 158822, 317644, 397055, 635288, 794110, 1270576, 1588220, 2461741, 3176440, 4923482, 6352880, 9846964, 12308705, 19693928, 24617410, 39387856, 49234820, 98469640, 196939280]

約数ペア:

[(1, 196939280), (2, 98469640), (4, 49234820), (5, 39387856), (8, 24617410), (10, 19693928), (16, 12308705), (20, 9846964), (31, 6352880), (40, 4923482), (62, 3176440), (80, 2461741), (124, 1588220), (155, 1270576), (248, 794110), (310, 635288), (496, 397055), (620, 317644), (1240, 158822), (2480, 79411)]