290422980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84919}}^1$

素因数の和:84953

約数の個数: 72

約数和(自身を含む): 927326400

約数和(自身を除く): 636903420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 84919, 169838, 254757, 339676, 424595, 509514, 764271, 849190, 1019028, 1273785, 1528542, 1613461, 1698380, 2547570, 3057084, 3226922, 3821355, 4840383, 5095140, 6453844, 7642710, 8067305, 9680766, 14521149, 15285420, 16134610, 19361532, 24201915, 29042298, 32269220, 48403830, 58084596, 72605745, 96807660, 145211490, 290422980]

約数ペア:

[(1, 290422980), (2, 145211490), (3, 96807660), (4, 72605745), (5, 58084596), (6, 48403830), (9, 32269220), (10, 29042298), (12, 24201915), (15, 19361532), (18, 16134610), (19, 15285420), (20, 14521149), (30, 9680766), (36, 8067305), (38, 7642710), (45, 6453844), (57, 5095140), (60, 4840383), (76, 3821355), (90, 3226922), (95, 3057084), (114, 2547570), (171, 1698380), (180, 1613461), (190, 1528542), (228, 1273785), (285, 1019028), (342, 849190), (380, 764271), (570, 509514), (684, 424595), (855, 339676), (1140, 254757), (1710, 169838), (3420, 84919)]