389352560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8263}}^1$

素因数の和:8326

約数の個数: 80

約数和(自身を含む): 983746560

約数和(自身を除く): 594394000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 8263, 9424, 11780, 16526, 23560, 33052, 41315, 47120, 66104, 82630, 132208, 156997, 165260, 256153, 313994, 330520, 512306, 627988, 661040, 784985, 1024612, 1255976, 1280765, 1569970, 2049224, 2511952, 2561530, 3139940, 4098448, 4866907, 5123060, 6279880, 9733814, 10246120, 12559760, 19467628, 20492240, 24334535, 38935256, 48669070, 77870512, 97338140, 194676280, 389352560]

約数ペア:

[(1, 389352560), (2, 194676280), (4, 97338140), (5, 77870512), (8, 48669070), (10, 38935256), (16, 24334535), (19, 20492240), (20, 19467628), (31, 12559760), (38, 10246120), (40, 9733814), (62, 6279880), (76, 5123060), (80, 4866907), (95, 4098448), (124, 3139940), (152, 2561530), (155, 2511952), (190, 2049224), (248, 1569970), (304, 1280765), (310, 1255976), (380, 1024612), (496, 784985), (589, 661040), (620, 627988), (760, 512306), (1178, 330520), (1240, 313994), (1520, 256153), (2356, 165260), (2480, 156997), (2945, 132208), (4712, 82630), (5890, 66104), (8263, 47120), (9424, 41315), (11780, 33052), (16526, 23560)]