39721000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 106479360

約数和(自身を除く): 66758360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 25, 40, 44, 46, 50, 55, 88, 92, 100, 110, 115, 125, 157, 184, 200, 220, 230, 250, 253, 275, 314, 440, 460, 500, 506, 550, 575, 628, 785, 920, 1000, 1012, 1100, 1150, 1256, 1265, 1375, 1570, 1727, 2024, 2200, 2300, 2530, 2750, 2875, 3140, 3454, 3611, 3925, 4600, 5060, 5500, 5750, 6280, 6325, 6908, 7222, 7850, 8635, 10120, 11000, 11500, 12650, 13816, 14444, 15700, 17270, 18055, 19625, 23000, 25300, 28888, 31400, 31625, 34540, 36110, 39250, 39721, 43175, 50600, 63250, 69080, 72220, 78500, 79442, 86350, 90275, 126500, 144440, 157000, 158884, 172700, 180550, 198605, 215875, 253000, 317768, 345400, 361100, 397210, 431750, 451375, 722200, 794420, 863500, 902750, 993025, 1588840, 1727000, 1805500, 1986050, 3611000, 3972100, 4965125, 7944200, 9930250, 19860500, 39721000]

約数ペア:

[(1, 39721000), (2, 19860500), (4, 9930250), (5, 7944200), (8, 4965125), (10, 3972100), (11, 3611000), (20, 1986050), (22, 1805500), (23, 1727000), (25, 1588840), (40, 993025), (44, 902750), (46, 863500), (50, 794420), (55, 722200), (88, 451375), (92, 431750), (100, 397210), (110, 361100), (115, 345400), (125, 317768), (157, 253000), (184, 215875), (200, 198605), (220, 180550), (230, 172700), (250, 158884), (253, 157000), (275, 144440), (314, 126500), (440, 90275), (460, 86350), (500, 79442), (506, 78500), (550, 72220), (575, 69080), (628, 63250), (785, 50600), (920, 43175), (1000, 39721), (1012, 39250), (1100, 36110), (1150, 34540), (1256, 31625), (1265, 31400), (1375, 28888), (1570, 25300), (1727, 23000), (2024, 19625), (2200, 18055), (2300, 17270), (2530, 15700), (2750, 14444), (2875, 13816), (3140, 12650), (3454, 11500), (3611, 11000), (3925, 10120), (4600, 8635), (5060, 7850), (5500, 7222), (5750, 6908), (6280, 6325)]