31460000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:65

約数の個数: 180

約数和(自身を含む): 91615986

約数和(自身を除く): 60155986

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 121, 125, 130, 143, 160, 176, 200, 208, 220, 242, 250, 260, 275, 286, 325, 352, 400, 416, 440, 484, 500, 520, 550, 572, 605, 625, 650, 715, 800, 880, 968, 1000, 1040, 1100, 1144, 1210, 1250, 1300, 1375, 1430, 1573, 1625, 1760, 1936, 2000, 2080, 2200, 2288, 2420, 2500, 2600, 2750, 2860, 3025, 3146, 3250, 3575, 3872, 4000, 4400, 4576, 4840, 5000, 5200, 5500, 5720, 6050, 6292, 6500, 6875, 7150, 7865, 8125, 8800, 9680, 10000, 10400, 11000, 11440, 12100, 12584, 13000, 13750, 14300, 15125, 15730, 16250, 17875, 19360, 20000, 22000, 22880, 24200, 25168, 26000, 27500, 28600, 30250, 31460, 32500, 35750, 39325, 44000, 48400, 50336, 52000, 55000, 57200, 60500, 62920, 65000, 71500, 75625, 78650, 89375, 96800, 110000, 114400, 121000, 125840, 130000, 143000, 151250, 157300, 178750, 196625, 220000, 242000, 251680, 260000, 286000, 302500, 314600, 357500, 393250, 484000, 572000, 605000, 629200, 715000, 786500, 983125, 1210000, 1258400, 1430000, 1573000, 1966250, 2420000, 2860000, 3146000, 3932500, 6292000, 7865000, 15730000, 31460000]

約数ペア:

[(1, 31460000), (2, 15730000), (4, 7865000), (5, 6292000), (8, 3932500), (10, 3146000), (11, 2860000), (13, 2420000), (16, 1966250), (20, 1573000), (22, 1430000), (25, 1258400), (26, 1210000), (32, 983125), (40, 786500), (44, 715000), (50, 629200), (52, 605000), (55, 572000), (65, 484000), (80, 393250), (88, 357500), (100, 314600), (104, 302500), (110, 286000), (121, 260000), (125, 251680), (130, 242000), (143, 220000), (160, 196625), (176, 178750), (200, 157300), (208, 151250), (220, 143000), (242, 130000), (250, 125840), (260, 121000), (275, 114400), (286, 110000), (325, 96800), (352, 89375), (400, 78650), (416, 75625), (440, 71500), (484, 65000), (500, 62920), (520, 60500), (550, 57200), (572, 55000), (605, 52000), (625, 50336), (650, 48400), (715, 44000), (800, 39325), (880, 35750), (968, 32500), (1000, 31460), (1040, 30250), (1100, 28600), (1144, 27500), (1210, 26000), (1250, 25168), (1300, 24200), (1375, 22880), (1430, 22000), (1573, 20000), (1625, 19360), (1760, 17875), (1936, 16250), (2000, 15730), (2080, 15125), (2200, 14300), (2288, 13750), (2420, 13000), (2500, 12584), (2600, 12100), (2750, 11440), (2860, 11000), (3025, 10400), (3146, 10000), (3250, 9680), (3575, 8800), (3872, 8125), (4000, 7865), (4400, 7150), (4576, 6875), (4840, 6500), (5000, 6292), (5200, 6050), (5500, 5720)]