150900400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{7699}}^1$

素因数の和:7731

約数の個数: 90

約数和(自身を含む): 421782900

約数和(自身を除く): 270882500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 7699, 9800, 15398, 19600, 30796, 38495, 53893, 61592, 76990, 107786, 123184, 153980, 192475, 215572, 269465, 307960, 377251, 384950, 431144, 538930, 615920, 754502, 769900, 862288, 1077860, 1347325, 1509004, 1539800, 1886255, 2155720, 2694650, 3018008, 3079600, 3772510, 4311440, 5389300, 6036016, 7545020, 9431275, 10778600, 15090040, 18862550, 21557200, 30180080, 37725100, 75450200, 150900400]

約数ペア:

[(1, 150900400), (2, 75450200), (4, 37725100), (5, 30180080), (7, 21557200), (8, 18862550), (10, 15090040), (14, 10778600), (16, 9431275), (20, 7545020), (25, 6036016), (28, 5389300), (35, 4311440), (40, 3772510), (49, 3079600), (50, 3018008), (56, 2694650), (70, 2155720), (80, 1886255), (98, 1539800), (100, 1509004), (112, 1347325), (140, 1077860), (175, 862288), (196, 769900), (200, 754502), (245, 615920), (280, 538930), (350, 431144), (392, 384950), (400, 377251), (490, 307960), (560, 269465), (700, 215572), (784, 192475), (980, 153980), (1225, 123184), (1400, 107786), (1960, 76990), (2450, 61592), (2800, 53893), (3920, 38495), (4900, 30796), (7699, 19600), (9800, 15398)]