220856568

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 560736000

約数和(自身を除く): 339879432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 199, 262, 353, 393, 398, 524, 597, 706, 786, 796, 1048, 1059, 1194, 1412, 1572, 1592, 2118, 2388, 2824, 3144, 4236, 4776, 8472, 26069, 46243, 52138, 70247, 78207, 92486, 104276, 138729, 140494, 156414, 184972, 208552, 210741, 277458, 280988, 312828, 369944, 421482, 554916, 561976, 625656, 842964, 1109832, 1685928, 9202357, 18404714, 27607071, 36809428, 55214142, 73618856, 110428284, 220856568]

約数ペア:

[(1, 220856568), (2, 110428284), (3, 73618856), (4, 55214142), (6, 36809428), (8, 27607071), (12, 18404714), (24, 9202357), (131, 1685928), (199, 1109832), (262, 842964), (353, 625656), (393, 561976), (398, 554916), (524, 421482), (597, 369944), (706, 312828), (786, 280988), (796, 277458), (1048, 210741), (1059, 208552), (1194, 184972), (1412, 156414), (1572, 140494), (1592, 138729), (2118, 104276), (2388, 92486), (2824, 78207), (3144, 70247), (4236, 52138), (4776, 46243), (8472, 26069)]