1279795220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{14293}}^1$

素因数の和:14361

約数の個数: 72

約数和(自身を含む): 3034158792

約数和(自身を除く): 1754363572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 185, 220, 242, 370, 407, 484, 605, 740, 814, 1210, 1628, 2035, 2420, 4070, 4477, 8140, 8954, 14293, 17908, 22385, 28586, 44770, 57172, 71465, 89540, 142930, 157223, 285860, 314446, 528841, 628892, 786115, 1057682, 1572230, 1729453, 2115364, 2644205, 3144460, 3458906, 5288410, 5817251, 6917812, 8647265, 10576820, 11634502, 17294530, 23269004, 29086255, 34589060, 58172510, 63989761, 116345020, 127979522, 255959044, 319948805, 639897610, 1279795220]

約数ペア:

[(1, 1279795220), (2, 639897610), (4, 319948805), (5, 255959044), (10, 127979522), (11, 116345020), (20, 63989761), (22, 58172510), (37, 34589060), (44, 29086255), (55, 23269004), (74, 17294530), (110, 11634502), (121, 10576820), (148, 8647265), (185, 6917812), (220, 5817251), (242, 5288410), (370, 3458906), (407, 3144460), (484, 2644205), (605, 2115364), (740, 1729453), (814, 1572230), (1210, 1057682), (1628, 786115), (2035, 628892), (2420, 528841), (4070, 314446), (4477, 285860), (8140, 157223), (8954, 142930), (14293, 89540), (17908, 71465), (22385, 57172), (28586, 44770)]