19951897980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3391}}^1\times {\mathrm{14009}}^1$

素因数の和:17419

約数の個数: 96

約数和(自身を含む): 63869460480

約数和(自身を除く): 43917562500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3391, 6782, 10173, 13564, 14009, 16955, 20346, 23737, 28018, 33910, 40692, 42027, 47474, 50865, 56036, 67820, 70045, 71211, 84054, 94948, 98063, 101730, 118685, 140090, 142422, 168108, 196126, 203460, 210135, 237370, 280180, 284844, 294189, 356055, 392252, 420270, 474740, 490315, 588378, 712110, 840540, 980630, 1176756, 1424220, 1470945, 1961260, 2941890, 5883780, 47504519, 95009038, 142513557, 190018076, 237522595, 285027114, 332531633, 475045190, 570054228, 665063266, 712567785, 950090380, 997594899, 1330126532, 1425135570, 1662658165, 1995189798, 2850271140, 3325316330, 3990379596, 4987974495, 6650632660, 9975948990, 19951897980]

約数ペア:

[(1, 19951897980), (2, 9975948990), (3, 6650632660), (4, 4987974495), (5, 3990379596), (6, 3325316330), (7, 2850271140), (10, 1995189798), (12, 1662658165), (14, 1425135570), (15, 1330126532), (20, 997594899), (21, 950090380), (28, 712567785), (30, 665063266), (35, 570054228), (42, 475045190), (60, 332531633), (70, 285027114), (84, 237522595), (105, 190018076), (140, 142513557), (210, 95009038), (420, 47504519), (3391, 5883780), (6782, 2941890), (10173, 1961260), (13564, 1470945), (14009, 1424220), (16955, 1176756), (20346, 980630), (23737, 840540), (28018, 712110), (33910, 588378), (40692, 490315), (42027, 474740), (47474, 420270), (50865, 392252), (56036, 356055), (67820, 294189), (70045, 284844), (71211, 280180), (84054, 237370), (94948, 210135), (98063, 203460), (101730, 196126), (118685, 168108), (140090, 142422)]