2530000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:62

約数の個数: 100

約数和(自身を含む): 6972768

約数和(自身を除く): 4442768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 80, 88, 92, 100, 110, 115, 125, 176, 184, 200, 220, 230, 250, 253, 275, 368, 400, 440, 460, 500, 506, 550, 575, 625, 880, 920, 1000, 1012, 1100, 1150, 1250, 1265, 1375, 1840, 2000, 2024, 2200, 2300, 2500, 2530, 2750, 2875, 4048, 4400, 4600, 5000, 5060, 5500, 5750, 6325, 6875, 9200, 10000, 10120, 11000, 11500, 12650, 13750, 14375, 20240, 22000, 23000, 25300, 27500, 28750, 31625, 46000, 50600, 55000, 57500, 63250, 101200, 110000, 115000, 126500, 158125, 230000, 253000, 316250, 506000, 632500, 1265000, 2530000]

約数ペア:

[(1, 2530000), (2, 1265000), (4, 632500), (5, 506000), (8, 316250), (10, 253000), (11, 230000), (16, 158125), (20, 126500), (22, 115000), (23, 110000), (25, 101200), (40, 63250), (44, 57500), (46, 55000), (50, 50600), (55, 46000), (80, 31625), (88, 28750), (92, 27500), (100, 25300), (110, 23000), (115, 22000), (125, 20240), (176, 14375), (184, 13750), (200, 12650), (220, 11500), (230, 11000), (250, 10120), (253, 10000), (275, 9200), (368, 6875), (400, 6325), (440, 5750), (460, 5500), (500, 5060), (506, 5000), (550, 4600), (575, 4400), (625, 4048), (880, 2875), (920, 2750), (1000, 2530), (1012, 2500), (1100, 2300), (1150, 2200), (1250, 2024), (1265, 2000), (1375, 1840)]