161489300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{32957}}^1$

素因数の和:32985

約数の個数: 54

約数和(自身を含む): 407657502

約数和(自身を除く): 246168202

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 32957, 65914, 131828, 164785, 230699, 329570, 461398, 659140, 823925, 922796, 1153495, 1614893, 1647850, 2306990, 3229786, 3295700, 4613980, 5767475, 6459572, 8074465, 11534950, 16148930, 23069900, 32297860, 40372325, 80744650, 161489300]

約数ペア:

[(1, 161489300), (2, 80744650), (4, 40372325), (5, 32297860), (7, 23069900), (10, 16148930), (14, 11534950), (20, 8074465), (25, 6459572), (28, 5767475), (35, 4613980), (49, 3295700), (50, 3229786), (70, 2306990), (98, 1647850), (100, 1614893), (140, 1153495), (175, 922796), (196, 823925), (245, 659140), (350, 461398), (490, 329570), (700, 230699), (980, 164785), (1225, 131828), (2450, 65914), (4900, 32957)]