290557450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1111

約数の個数: 48

約数和(自身を含む): 557330400

約数和(自身を除く): 266772950

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 149, 215, 298, 430, 745, 907, 1075, 1490, 1814, 2150, 3725, 4535, 6407, 7450, 9070, 12814, 22675, 32035, 39001, 45350, 64070, 78002, 135143, 160175, 195005, 270286, 320350, 390010, 675715, 975025, 1351430, 1950050, 3378575, 5811149, 6757150, 11622298, 29055745, 58111490, 145278725, 290557450]

約数ペア:

[(1, 290557450), (2, 145278725), (5, 58111490), (10, 29055745), (25, 11622298), (43, 6757150), (50, 5811149), (86, 3378575), (149, 1950050), (215, 1351430), (298, 975025), (430, 675715), (745, 390010), (907, 320350), (1075, 270286), (1490, 195005), (1814, 160175), (2150, 135143), (3725, 78002), (4535, 64070), (6407, 45350), (7450, 39001), (9070, 32035), (12814, 22675)]