404020680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{68711}}^1$

素因数の和:68739

約数の個数: 96

約数和(自身を含む): 1409970240

約数和(自身を除く): 1005949560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 68711, 137422, 206133, 274844, 343555, 412266, 480977, 549688, 687110, 824532, 961954, 1030665, 1374220, 1442931, 1649064, 1923908, 2061330, 2404885, 2748440, 2885862, 3366839, 3847816, 4122660, 4809770, 5771724, 6733678, 7214655, 8245320, 9619540, 10100517, 11543448, 13467356, 14429310, 16834195, 19239080, 20201034, 26934712, 28858620, 33668390, 40402068, 50502585, 57717240, 67336780, 80804136, 101005170, 134673560, 202010340, 404020680]

約数ペア:

[(1, 404020680), (2, 202010340), (3, 134673560), (4, 101005170), (5, 80804136), (6, 67336780), (7, 57717240), (8, 50502585), (10, 40402068), (12, 33668390), (14, 28858620), (15, 26934712), (20, 20201034), (21, 19239080), (24, 16834195), (28, 14429310), (30, 13467356), (35, 11543448), (40, 10100517), (42, 9619540), (49, 8245320), (56, 7214655), (60, 6733678), (70, 5771724), (84, 4809770), (98, 4122660), (105, 3847816), (120, 3366839), (140, 2885862), (147, 2748440), (168, 2404885), (196, 2061330), (210, 1923908), (245, 1649064), (280, 1442931), (294, 1374220), (392, 1030665), (420, 961954), (490, 824532), (588, 687110), (735, 549688), (840, 480977), (980, 412266), (1176, 343555), (1470, 274844), (1960, 206133), (2940, 137422), (5880, 68711)]