78429400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 217553040

約数和(自身を除く): 139123640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 53, 56, 70, 98, 100, 106, 140, 151, 175, 196, 200, 212, 245, 265, 280, 302, 350, 371, 392, 424, 490, 530, 604, 700, 742, 755, 980, 1057, 1060, 1208, 1225, 1325, 1400, 1484, 1510, 1855, 1960, 2114, 2120, 2450, 2597, 2650, 2968, 3020, 3710, 3775, 4228, 4900, 5194, 5285, 5300, 6040, 7399, 7420, 7550, 8003, 8456, 9275, 9800, 10388, 10570, 10600, 12985, 14798, 14840, 15100, 16006, 18550, 20776, 21140, 25970, 26425, 29596, 30200, 32012, 36995, 37100, 40015, 42280, 51940, 52850, 56021, 59192, 64024, 64925, 73990, 74200, 80030, 103880, 105700, 112042, 129850, 147980, 160060, 184975, 200075, 211400, 224084, 259700, 280105, 295960, 320120, 369950, 392147, 400150, 448168, 519400, 560210, 739900, 784294, 800300, 1120420, 1400525, 1479800, 1568588, 1600600, 1960735, 2240840, 2801050, 3137176, 3921470, 5602100, 7842940, 9803675, 11204200, 15685880, 19607350, 39214700, 78429400]

約数ペア:

[(1, 78429400), (2, 39214700), (4, 19607350), (5, 15685880), (7, 11204200), (8, 9803675), (10, 7842940), (14, 5602100), (20, 3921470), (25, 3137176), (28, 2801050), (35, 2240840), (40, 1960735), (49, 1600600), (50, 1568588), (53, 1479800), (56, 1400525), (70, 1120420), (98, 800300), (100, 784294), (106, 739900), (140, 560210), (151, 519400), (175, 448168), (196, 400150), (200, 392147), (212, 369950), (245, 320120), (265, 295960), (280, 280105), (302, 259700), (350, 224084), (371, 211400), (392, 200075), (424, 184975), (490, 160060), (530, 147980), (604, 129850), (700, 112042), (742, 105700), (755, 103880), (980, 80030), (1057, 74200), (1060, 73990), (1208, 64925), (1225, 64024), (1325, 59192), (1400, 56021), (1484, 52850), (1510, 51940), (1855, 42280), (1960, 40015), (2114, 37100), (2120, 36995), (2450, 32012), (2597, 30200), (2650, 29596), (2968, 26425), (3020, 25970), (3710, 21140), (3775, 20776), (4228, 18550), (4900, 16006), (5194, 15100), (5285, 14840), (5300, 14798), (6040, 12985), (7399, 10600), (7420, 10570), (7550, 10388), (8003, 9800), (8456, 9275)]