538449550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1370

約数の個数: 72

約数和(自身を含む): 1103808816

約数和(自身を除く): 565359266

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 115, 190, 230, 361, 437, 475, 575, 722, 874, 950, 1150, 1297, 1805, 2185, 2594, 3610, 4370, 6485, 8303, 9025, 10925, 12970, 16606, 18050, 21850, 24643, 29831, 32425, 41515, 49286, 59662, 64850, 83030, 123215, 149155, 207575, 246430, 298310, 415150, 468217, 566789, 616075, 745775, 936434, 1133578, 1232150, 1491550, 2341085, 2833945, 4682170, 5667890, 10768991, 11705425, 14169725, 21537982, 23410850, 28339450, 53844955, 107689910, 269224775, 538449550]

約数ペア:

[(1, 538449550), (2, 269224775), (5, 107689910), (10, 53844955), (19, 28339450), (23, 23410850), (25, 21537982), (38, 14169725), (46, 11705425), (50, 10768991), (95, 5667890), (115, 4682170), (190, 2833945), (230, 2341085), (361, 1491550), (437, 1232150), (475, 1133578), (575, 936434), (722, 745775), (874, 616075), (950, 566789), (1150, 468217), (1297, 415150), (1805, 298310), (2185, 246430), (2594, 207575), (3610, 149155), (4370, 123215), (6485, 83030), (8303, 64850), (9025, 59662), (10925, 49286), (12970, 41515), (16606, 32425), (18050, 29831), (21850, 24643)]