51072700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{1489}}^1$

素因数の和:1524

約数の個数: 72

約数和(自身を含む): 129332000

約数和(自身を除く): 78259300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1489, 1715, 2450, 2978, 3430, 4900, 5956, 6860, 7445, 8575, 10423, 14890, 17150, 20846, 29780, 34300, 37225, 41692, 52115, 72961, 74450, 104230, 145922, 148900, 208460, 260575, 291844, 364805, 510727, 521150, 729610, 1021454, 1042300, 1459220, 1824025, 2042908, 2553635, 3648050, 5107270, 7296100, 10214540, 12768175, 25536350, 51072700]

約数ペア:

[(1, 51072700), (2, 25536350), (4, 12768175), (5, 10214540), (7, 7296100), (10, 5107270), (14, 3648050), (20, 2553635), (25, 2042908), (28, 1824025), (35, 1459220), (49, 1042300), (50, 1021454), (70, 729610), (98, 521150), (100, 510727), (140, 364805), (175, 291844), (196, 260575), (245, 208460), (343, 148900), (350, 145922), (490, 104230), (686, 74450), (700, 72961), (980, 52115), (1225, 41692), (1372, 37225), (1489, 34300), (1715, 29780), (2450, 20846), (2978, 17150), (3430, 14890), (4900, 10423), (5956, 8575), (6860, 7445)]