2018353700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 144

約数和(自身を含む): 4965807168

約数和(自身を除く): 2947453468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 74, 100, 101, 110, 148, 185, 202, 220, 275, 370, 404, 407, 491, 505, 550, 740, 814, 925, 982, 1010, 1100, 1111, 1628, 1850, 1964, 2020, 2035, 2222, 2455, 2525, 3700, 3737, 4070, 4444, 4910, 5050, 5401, 5555, 7474, 8140, 9820, 10100, 10175, 10802, 11110, 12275, 14948, 18167, 18685, 20350, 21604, 22220, 24550, 27005, 27775, 36334, 37370, 40700, 41107, 49100, 49591, 54010, 55550, 72668, 74740, 82214, 90835, 93425, 99182, 108020, 111100, 135025, 164428, 181670, 186850, 198364, 199837, 205535, 247955, 270050, 363340, 373700, 399674, 411070, 454175, 495910, 540100, 545501, 799348, 822140, 908350, 991820, 999185, 1027675, 1091002, 1239775, 1816700, 1834867, 1998370, 2055350, 2182004, 2479550, 2727505, 3669734, 3996740, 4110700, 4959100, 4995925, 5455010, 7339468, 9174335, 9991850, 10910020, 13637525, 18348670, 19983700, 20183537, 27275050, 36697340, 40367074, 45871675, 54550100, 80734148, 91743350, 100917685, 183486700, 201835370, 403670740, 504588425, 1009176850, 2018353700]

約数ペア:

[(1, 2018353700), (2, 1009176850), (4, 504588425), (5, 403670740), (10, 201835370), (11, 183486700), (20, 100917685), (22, 91743350), (25, 80734148), (37, 54550100), (44, 45871675), (50, 40367074), (55, 36697340), (74, 27275050), (100, 20183537), (101, 19983700), (110, 18348670), (148, 13637525), (185, 10910020), (202, 9991850), (220, 9174335), (275, 7339468), (370, 5455010), (404, 4995925), (407, 4959100), (491, 4110700), (505, 3996740), (550, 3669734), (740, 2727505), (814, 2479550), (925, 2182004), (982, 2055350), (1010, 1998370), (1100, 1834867), (1111, 1816700), (1628, 1239775), (1850, 1091002), (1964, 1027675), (2020, 999185), (2035, 991820), (2222, 908350), (2455, 822140), (2525, 799348), (3700, 545501), (3737, 540100), (4070, 495910), (4444, 454175), (4910, 411070), (5050, 399674), (5401, 373700), (5555, 363340), (7474, 270050), (8140, 247955), (9820, 205535), (10100, 199837), (10175, 198364), (10802, 186850), (11110, 181670), (12275, 164428), (14948, 135025), (18167, 111100), (18685, 108020), (20350, 99182), (21604, 93425), (22220, 90835), (24550, 82214), (27005, 74740), (27775, 72668), (36334, 55550), (37370, 54010), (40700, 49591), (41107, 49100)]