7392140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 19056240

約数和(自身を除く): 11664100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 397, 490, 532, 665, 794, 931, 980, 1330, 1588, 1862, 1985, 2660, 2779, 3724, 3970, 4655, 5558, 7543, 7940, 9310, 11116, 13895, 15086, 18620, 19453, 27790, 30172, 37715, 38906, 52801, 55580, 75430, 77812, 97265, 105602, 150860, 194530, 211204, 264005, 369607, 389060, 528010, 739214, 1056020, 1478428, 1848035, 3696070, 7392140]

約数ペア:

[(1, 7392140), (2, 3696070), (4, 1848035), (5, 1478428), (7, 1056020), (10, 739214), (14, 528010), (19, 389060), (20, 369607), (28, 264005), (35, 211204), (38, 194530), (49, 150860), (70, 105602), (76, 97265), (95, 77812), (98, 75430), (133, 55580), (140, 52801), (190, 38906), (196, 37715), (245, 30172), (266, 27790), (380, 19453), (397, 18620), (490, 15086), (532, 13895), (665, 11116), (794, 9310), (931, 7940), (980, 7543), (1330, 5558), (1588, 4655), (1862, 3970), (1985, 3724), (2660, 2779)]