20174491700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{907}}^1$

素因数の和:1282

約数の個数: 144

約数和(自身を含む): 48641095104

約数和(自身を除く): 28466603404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 110, 146, 220, 275, 277, 292, 365, 550, 554, 730, 803, 907, 1100, 1108, 1385, 1460, 1606, 1814, 1825, 2770, 3047, 3212, 3628, 3650, 4015, 4535, 5540, 6094, 6925, 7300, 8030, 9070, 9977, 12188, 13850, 15235, 16060, 18140, 19954, 20075, 20221, 22675, 27700, 30470, 39908, 40150, 40442, 45350, 49885, 60940, 66211, 76175, 80300, 80884, 90700, 99770, 101105, 132422, 152350, 199540, 202210, 222431, 249425, 251239, 264844, 304700, 331055, 404420, 444862, 498850, 502478, 505525, 662110, 728321, 889724, 997700, 1004956, 1011050, 1112155, 1256195, 1324220, 1456642, 1655275, 2022100, 2224310, 2512390, 2763629, 2913284, 3310550, 3641605, 4448620, 5024780, 5527258, 5560775, 6280975, 6621100, 7283210, 11054516, 11121550, 12561950, 13818145, 14566420, 18208025, 18340447, 22243100, 25123900, 27636290, 36416050, 36680894, 55272580, 69090725, 72832100, 73361788, 91702235, 138181450, 183404470, 201744917, 276362900, 366808940, 403489834, 458511175, 806979668, 917022350, 1008724585, 1834044700, 2017449170, 4034898340, 5043622925, 10087245850, 20174491700]

約数ペア:

[(1, 20174491700), (2, 10087245850), (4, 5043622925), (5, 4034898340), (10, 2017449170), (11, 1834044700), (20, 1008724585), (22, 917022350), (25, 806979668), (44, 458511175), (50, 403489834), (55, 366808940), (73, 276362900), (100, 201744917), (110, 183404470), (146, 138181450), (220, 91702235), (275, 73361788), (277, 72832100), (292, 69090725), (365, 55272580), (550, 36680894), (554, 36416050), (730, 27636290), (803, 25123900), (907, 22243100), (1100, 18340447), (1108, 18208025), (1385, 14566420), (1460, 13818145), (1606, 12561950), (1814, 11121550), (1825, 11054516), (2770, 7283210), (3047, 6621100), (3212, 6280975), (3628, 5560775), (3650, 5527258), (4015, 5024780), (4535, 4448620), (5540, 3641605), (6094, 3310550), (6925, 2913284), (7300, 2763629), (8030, 2512390), (9070, 2224310), (9977, 2022100), (12188, 1655275), (13850, 1456642), (15235, 1324220), (16060, 1256195), (18140, 1112155), (19954, 1011050), (20075, 1004956), (20221, 997700), (22675, 889724), (27700, 728321), (30470, 662110), (39908, 505525), (40150, 502478), (40442, 498850), (45350, 444862), (49885, 404420), (60940, 331055), (66211, 304700), (76175, 264844), (80300, 251239), (80884, 249425), (90700, 222431), (99770, 202210), (101105, 199540), (132422, 152350)]