5320420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 13358520

約数和(自身を除く): 8038100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 89, 98, 122, 140, 178, 196, 244, 245, 305, 356, 427, 445, 490, 610, 623, 854, 890, 980, 1220, 1246, 1708, 1780, 2135, 2492, 2989, 3115, 4270, 4361, 5429, 5978, 6230, 8540, 8722, 10858, 11956, 12460, 14945, 17444, 21716, 21805, 27145, 29890, 38003, 43610, 54290, 59780, 76006, 87220, 108580, 152012, 190015, 266021, 380030, 532042, 760060, 1064084, 1330105, 2660210, 5320420]

約数ペア:

[(1, 5320420), (2, 2660210), (4, 1330105), (5, 1064084), (7, 760060), (10, 532042), (14, 380030), (20, 266021), (28, 190015), (35, 152012), (49, 108580), (61, 87220), (70, 76006), (89, 59780), (98, 54290), (122, 43610), (140, 38003), (178, 29890), (196, 27145), (244, 21805), (245, 21716), (305, 17444), (356, 14945), (427, 12460), (445, 11956), (490, 10858), (610, 8722), (623, 8540), (854, 6230), (890, 5978), (980, 5429), (1220, 4361), (1246, 4270), (1708, 3115), (1780, 2989), (2135, 2492)]