2018689990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5801}}^1$

素因数の和:5937

約数の個数: 64

約数和(自身を含む): 4060471680

約数和(自身を除く): 2041781690

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 89, 115, 170, 178, 230, 391, 445, 782, 890, 1513, 1955, 2047, 3026, 3910, 4094, 5801, 7565, 10235, 11602, 15130, 20470, 29005, 34799, 58010, 69598, 98617, 133423, 173995, 197234, 266846, 347990, 493085, 516289, 667115, 986170, 1032578, 1334230, 2268191, 2581445, 4536382, 5162890, 8776913, 11340955, 11874647, 17553826, 22681910, 23749294, 43884565, 59373235, 87769130, 118746470, 201868999, 403737998, 1009344995, 2018689990]

約数ペア:

[(1, 2018689990), (2, 1009344995), (5, 403737998), (10, 201868999), (17, 118746470), (23, 87769130), (34, 59373235), (46, 43884565), (85, 23749294), (89, 22681910), (115, 17553826), (170, 11874647), (178, 11340955), (230, 8776913), (391, 5162890), (445, 4536382), (782, 2581445), (890, 2268191), (1513, 1334230), (1955, 1032578), (2047, 986170), (3026, 667115), (3910, 516289), (4094, 493085), (5801, 347990), (7565, 266846), (10235, 197234), (11602, 173995), (15130, 133423), (20470, 98617), (29005, 69598), (34799, 58010)]