289643340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{911}}^1$

素因数の和:1687

約数の個数: 96

約数和(自身を含む): 929101824

約数和(自身を除く): 639458484

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, 757, 911, 1514, 1822, 2271, 2733, 3028, 3644, 3785, 4542, 4555, 5299, 5466, 6377, 7570, 9084, 9110, 10598, 10932, 11355, 12754, 13665, 15140, 15897, 18220, 19131, 21196, 22710, 25508, 26495, 27330, 31794, 31885, 38262, 45420, 52990, 54660, 63588, 63770, 76524, 79485, 95655, 105980, 127540, 158970, 191310, 317940, 382620, 689627, 1379254, 2068881, 2758508, 3448135, 4137762, 4827389, 6896270, 8275524, 9654778, 10344405, 13792540, 14482167, 19309556, 20688810, 24136945, 28964334, 41377620, 48273890, 57928668, 72410835, 96547780, 144821670, 289643340]

約数ペア:

[(1, 289643340), (2, 144821670), (3, 96547780), (4, 72410835), (5, 57928668), (6, 48273890), (7, 41377620), (10, 28964334), (12, 24136945), (14, 20688810), (15, 19309556), (20, 14482167), (21, 13792540), (28, 10344405), (30, 9654778), (35, 8275524), (42, 6896270), (60, 4827389), (70, 4137762), (84, 3448135), (105, 2758508), (140, 2068881), (210, 1379254), (420, 689627), (757, 382620), (911, 317940), (1514, 191310), (1822, 158970), (2271, 127540), (2733, 105980), (3028, 95655), (3644, 79485), (3785, 76524), (4542, 63770), (4555, 63588), (5299, 54660), (5466, 52990), (6377, 45420), (7570, 38262), (9084, 31885), (9110, 31794), (10598, 27330), (10932, 26495), (11355, 25508), (12754, 22710), (13665, 21196), (15140, 19131), (15897, 18220)]