204989940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{42179}}^1$

素因数の和:42203

約数の個数: 72

約数和(自身を含む): 644847840

約数和(自身を除く): 439857900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 42179, 84358, 126537, 168716, 210895, 253074, 379611, 421790, 506148, 632685, 759222, 843580, 1138833, 1265370, 1518444, 1898055, 2277666, 2530740, 3416499, 3796110, 4555332, 5694165, 6832998, 7592220, 10249497, 11388330, 13665996, 17082495, 20498994, 22776660, 34164990, 40997988, 51247485, 68329980, 102494970, 204989940]

約数ペア:

[(1, 204989940), (2, 102494970), (3, 68329980), (4, 51247485), (5, 40997988), (6, 34164990), (9, 22776660), (10, 20498994), (12, 17082495), (15, 13665996), (18, 11388330), (20, 10249497), (27, 7592220), (30, 6832998), (36, 5694165), (45, 4555332), (54, 3796110), (60, 3416499), (81, 2530740), (90, 2277666), (108, 1898055), (135, 1518444), (162, 1265370), (180, 1138833), (243, 843580), (270, 759222), (324, 632685), (405, 506148), (486, 421790), (540, 379611), (810, 253074), (972, 210895), (1215, 168716), (1620, 126537), (2430, 84358), (4860, 42179)]