38348380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 94802400

約数和(自身を除く): 56454020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 359, 436, 490, 545, 718, 763, 980, 1090, 1436, 1526, 1795, 2180, 2513, 3052, 3590, 3815, 5026, 5341, 7180, 7630, 10052, 10682, 12565, 15260, 17591, 21364, 25130, 26705, 35182, 39131, 50260, 53410, 70364, 78262, 87955, 106820, 156524, 175910, 195655, 273917, 351820, 391310, 547834, 782620, 1095668, 1369585, 1917419, 2739170, 3834838, 5478340, 7669676, 9587095, 19174190, 38348380]

約数ペア:

[(1, 38348380), (2, 19174190), (4, 9587095), (5, 7669676), (7, 5478340), (10, 3834838), (14, 2739170), (20, 1917419), (28, 1369585), (35, 1095668), (49, 782620), (70, 547834), (98, 391310), (109, 351820), (140, 273917), (196, 195655), (218, 175910), (245, 156524), (359, 106820), (436, 87955), (490, 78262), (545, 70364), (718, 53410), (763, 50260), (980, 39131), (1090, 35182), (1436, 26705), (1526, 25130), (1795, 21364), (2180, 17591), (2513, 15260), (3052, 12565), (3590, 10682), (3815, 10052), (5026, 7630), (5341, 7180)]