178985240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1801

約数の個数: 96

約数和(自身を含む): 477582480

約数和(自身を除く): 298597240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 196, 212, 245, 265, 280, 371, 392, 424, 490, 530, 742, 980, 1060, 1484, 1723, 1855, 1960, 2120, 2597, 2968, 3446, 3710, 5194, 6892, 7420, 8615, 10388, 12061, 12985, 13784, 14840, 17230, 20776, 24122, 25970, 34460, 48244, 51940, 60305, 68920, 84427, 91319, 96488, 103880, 120610, 168854, 182638, 241220, 337708, 365276, 422135, 456595, 482440, 639233, 675416, 730552, 844270, 913190, 1278466, 1688540, 1826380, 2556932, 3196165, 3377080, 3652760, 4474631, 5113864, 6392330, 8949262, 12784660, 17898524, 22373155, 25569320, 35797048, 44746310, 89492620, 178985240]

約数ペア:

[(1, 178985240), (2, 89492620), (4, 44746310), (5, 35797048), (7, 25569320), (8, 22373155), (10, 17898524), (14, 12784660), (20, 8949262), (28, 6392330), (35, 5113864), (40, 4474631), (49, 3652760), (53, 3377080), (56, 3196165), (70, 2556932), (98, 1826380), (106, 1688540), (140, 1278466), (196, 913190), (212, 844270), (245, 730552), (265, 675416), (280, 639233), (371, 482440), (392, 456595), (424, 422135), (490, 365276), (530, 337708), (742, 241220), (980, 182638), (1060, 168854), (1484, 120610), (1723, 103880), (1855, 96488), (1960, 91319), (2120, 84427), (2597, 68920), (2968, 60305), (3446, 51940), (3710, 48244), (5194, 34460), (6892, 25970), (7420, 24122), (8615, 20776), (10388, 17230), (12061, 14840), (12985, 13784)]