397636680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{473377}}^1$

素因数の和:473398

約数の個数: 64

約数和(自身を含む): 1363328640

約数和(自身を除く): 965691960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 473377, 946754, 1420131, 1893508, 2366885, 2840262, 3313639, 3787016, 4733770, 5680524, 6627278, 7100655, 9467540, 9940917, 11361048, 13254556, 14201310, 16568195, 18935080, 19881834, 26509112, 28402620, 33136390, 39763668, 49704585, 56805240, 66272780, 79527336, 99409170, 132545560, 198818340, 397636680]

約数ペア:

[(1, 397636680), (2, 198818340), (3, 132545560), (4, 99409170), (5, 79527336), (6, 66272780), (7, 56805240), (8, 49704585), (10, 39763668), (12, 33136390), (14, 28402620), (15, 26509112), (20, 19881834), (21, 18935080), (24, 16568195), (28, 14201310), (30, 13254556), (35, 11361048), (40, 9940917), (42, 9467540), (56, 7100655), (60, 6627278), (70, 5680524), (84, 4733770), (105, 3787016), (120, 3313639), (140, 2840262), (168, 2366885), (210, 1893508), (280, 1420131), (420, 946754), (840, 473377)]