212253280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42793}}^1$

素因数の和:42839

約数の個数: 48

約数和(自身を含む): 517636224

約数和(自身を除く): 305382944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 42793, 85586, 171172, 213965, 342344, 427930, 684688, 855860, 1326583, 1369376, 1711720, 2653166, 3423440, 5306332, 6632915, 6846880, 10612664, 13265830, 21225328, 26531660, 42450656, 53063320, 106126640, 212253280]

約数ペア:

[(1, 212253280), (2, 106126640), (4, 53063320), (5, 42450656), (8, 26531660), (10, 21225328), (16, 13265830), (20, 10612664), (31, 6846880), (32, 6632915), (40, 5306332), (62, 3423440), (80, 2653166), (124, 1711720), (155, 1369376), (160, 1326583), (248, 855860), (310, 684688), (496, 427930), (620, 342344), (992, 213965), (1240, 171172), (2480, 85586), (4960, 42793)]