2490900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 108

約数和(自身を含む): 7936992

約数和(自身を除く): 5446092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 25, 30, 38, 46, 50, 57, 60, 69, 75, 76, 92, 95, 100, 114, 115, 138, 150, 190, 228, 230, 276, 285, 300, 345, 361, 380, 437, 460, 475, 570, 575, 690, 722, 874, 950, 1083, 1140, 1150, 1311, 1380, 1425, 1444, 1725, 1748, 1805, 1900, 2166, 2185, 2300, 2622, 2850, 3450, 3610, 4332, 4370, 5244, 5415, 5700, 6555, 6900, 7220, 8303, 8740, 9025, 10830, 10925, 13110, 16606, 18050, 21660, 21850, 24909, 26220, 27075, 32775, 33212, 36100, 41515, 43700, 49818, 54150, 65550, 83030, 99636, 108300, 124545, 131100, 166060, 207575, 249090, 415150, 498180, 622725, 830300, 1245450, 2490900]

約数ペア:

[(1, 2490900), (2, 1245450), (3, 830300), (4, 622725), (5, 498180), (6, 415150), (10, 249090), (12, 207575), (15, 166060), (19, 131100), (20, 124545), (23, 108300), (25, 99636), (30, 83030), (38, 65550), (46, 54150), (50, 49818), (57, 43700), (60, 41515), (69, 36100), (75, 33212), (76, 32775), (92, 27075), (95, 26220), (100, 24909), (114, 21850), (115, 21660), (138, 18050), (150, 16606), (190, 13110), (228, 10925), (230, 10830), (276, 9025), (285, 8740), (300, 8303), (345, 7220), (361, 6900), (380, 6555), (437, 5700), (460, 5415), (475, 5244), (570, 4370), (575, 4332), (690, 3610), (722, 3450), (874, 2850), (950, 2622), (1083, 2300), (1140, 2185), (1150, 2166), (1311, 1900), (1380, 1805), (1425, 1748), (1444, 1725)]