221513210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1515

約数の個数: 48

約数和(自身を含む): 430901856

約数和(自身を除く): 209388646

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 361, 430, 722, 817, 1427, 1634, 1805, 2854, 3610, 4085, 7135, 8170, 14270, 15523, 27113, 31046, 54226, 61361, 77615, 122722, 135565, 155230, 271130, 306805, 515147, 613610, 1030294, 1165859, 2331718, 2575735, 5151470, 5829295, 11658590, 22151321, 44302642, 110756605, 221513210]

約数ペア:

[(1, 221513210), (2, 110756605), (5, 44302642), (10, 22151321), (19, 11658590), (38, 5829295), (43, 5151470), (86, 2575735), (95, 2331718), (190, 1165859), (215, 1030294), (361, 613610), (430, 515147), (722, 306805), (817, 271130), (1427, 155230), (1634, 135565), (1805, 122722), (2854, 77615), (3610, 61361), (4085, 54226), (7135, 31046), (8170, 27113), (14270, 15523)]