2100040075

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{751}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 3248760320

約数和(自身を除く): 1148720245

約数列:

[1, 5, 7, 19, 25, 29, 35, 95, 133, 145, 175, 203, 475, 551, 665, 725, 751, 841, 1015, 2755, 3325, 3755, 3857, 4205, 5075, 5257, 5887, 13775, 14269, 15979, 18775, 19285, 21025, 21779, 26285, 29435, 71345, 79895, 96425, 99883, 108895, 111853, 131425, 147175, 152453, 356725, 399475, 413801, 499415, 544475, 559265, 631591, 762265, 2069005, 2497075, 2796325, 2896607, 3157955, 3811325, 4421137, 10345025, 12000229, 14483035, 15789775, 22105685, 60001145, 72415175, 84001603, 110528425, 300005725, 420008015, 2100040075]

約数ペア:

[(1, 2100040075), (5, 420008015), (7, 300005725), (19, 110528425), (25, 84001603), (29, 72415175), (35, 60001145), (95, 22105685), (133, 15789775), (145, 14483035), (175, 12000229), (203, 10345025), (475, 4421137), (551, 3811325), (665, 3157955), (725, 2896607), (751, 2796325), (841, 2497075), (1015, 2069005), (2755, 762265), (3325, 631591), (3755, 559265), (3857, 544475), (4205, 499415), (5075, 413801), (5257, 399475), (5887, 356725), (13775, 152453), (14269, 147175), (15979, 131425), (18775, 111853), (19285, 108895), (21025, 99883), (21779, 96425), (26285, 79895), (29435, 71345)]