139311700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1537

約数の個数: 72

約数和(自身を含む): 333728640

約数和(自身を除く): 194416940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 220, 275, 356, 445, 550, 890, 979, 1100, 1423, 1780, 1958, 2225, 2846, 3916, 4450, 4895, 5692, 7115, 8900, 9790, 14230, 15653, 19580, 24475, 28460, 31306, 35575, 48950, 62612, 71150, 78265, 97900, 126647, 142300, 156530, 253294, 313060, 391325, 506588, 633235, 782650, 1266470, 1393117, 1565300, 2532940, 2786234, 3166175, 5572468, 6332350, 6965585, 12664700, 13931170, 27862340, 34827925, 69655850, 139311700]

約数ペア:

[(1, 139311700), (2, 69655850), (4, 34827925), (5, 27862340), (10, 13931170), (11, 12664700), (20, 6965585), (22, 6332350), (25, 5572468), (44, 3166175), (50, 2786234), (55, 2532940), (89, 1565300), (100, 1393117), (110, 1266470), (178, 782650), (220, 633235), (275, 506588), (356, 391325), (445, 313060), (550, 253294), (890, 156530), (979, 142300), (1100, 126647), (1423, 97900), (1780, 78265), (1958, 71150), (2225, 62612), (2846, 48950), (3916, 35575), (4450, 31306), (4895, 28460), (5692, 24475), (7115, 19580), (8900, 15653), (9790, 14230)]