393020480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39619}}^1$

素因数の和:39667

約数の個数: 56

約数和(自身を含む): 966094080

約数和(自身を除く): 573073600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 39619, 79238, 158476, 198095, 316952, 396190, 633904, 792380, 1228189, 1267808, 1584760, 2456378, 2535616, 3169520, 4912756, 6140945, 6339040, 9825512, 12281890, 12678080, 19651024, 24563780, 39302048, 49127560, 78604096, 98255120, 196510240, 393020480]

約数ペア:

[(1, 393020480), (2, 196510240), (4, 98255120), (5, 78604096), (8, 49127560), (10, 39302048), (16, 24563780), (20, 19651024), (31, 12678080), (32, 12281890), (40, 9825512), (62, 6339040), (64, 6140945), (80, 4912756), (124, 3169520), (155, 2535616), (160, 2456378), (248, 1584760), (310, 1267808), (320, 1228189), (496, 792380), (620, 633904), (992, 396190), (1240, 316952), (1984, 198095), (2480, 158476), (4960, 79238), (9920, 39619)]