1900903900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{40531}}^1$

素因数の和:40619

約数の個数: 72

約数和(自身を含む): 4784721536

約数和(自身を除く): 2883817636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 67, 70, 100, 134, 140, 175, 268, 335, 350, 469, 670, 700, 938, 1340, 1675, 1876, 2345, 3350, 4690, 6700, 9380, 11725, 23450, 40531, 46900, 81062, 162124, 202655, 283717, 405310, 567434, 810620, 1013275, 1134868, 1418585, 2026550, 2715577, 2837170, 4053100, 5431154, 5674340, 7092925, 10862308, 13577885, 14185850, 19009039, 27155770, 28371700, 38018078, 54311540, 67889425, 76036156, 95045195, 135778850, 190090390, 271557700, 380180780, 475225975, 950451950, 1900903900]

約数ペア:

[(1, 1900903900), (2, 950451950), (4, 475225975), (5, 380180780), (7, 271557700), (10, 190090390), (14, 135778850), (20, 95045195), (25, 76036156), (28, 67889425), (35, 54311540), (50, 38018078), (67, 28371700), (70, 27155770), (100, 19009039), (134, 14185850), (140, 13577885), (175, 10862308), (268, 7092925), (335, 5674340), (350, 5431154), (469, 4053100), (670, 2837170), (700, 2715577), (938, 2026550), (1340, 1418585), (1675, 1134868), (1876, 1013275), (2345, 810620), (3350, 567434), (4690, 405310), (6700, 283717), (9380, 202655), (11725, 162124), (23450, 81062), (40531, 46900)]