47744180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 111831720

約数和(自身を除く): 64087540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 121, 181, 218, 220, 242, 362, 436, 484, 545, 605, 724, 905, 1090, 1199, 1210, 1810, 1991, 2180, 2398, 2420, 3620, 3982, 4796, 5995, 7964, 9955, 11990, 13189, 19729, 19910, 21901, 23980, 26378, 39458, 39820, 43802, 52756, 65945, 78916, 87604, 98645, 109505, 131890, 197290, 217019, 219010, 263780, 394580, 434038, 438020, 868076, 1085095, 2170190, 2387209, 4340380, 4774418, 9548836, 11936045, 23872090, 47744180]

約数ペア:

[(1, 47744180), (2, 23872090), (4, 11936045), (5, 9548836), (10, 4774418), (11, 4340380), (20, 2387209), (22, 2170190), (44, 1085095), (55, 868076), (109, 438020), (110, 434038), (121, 394580), (181, 263780), (218, 219010), (220, 217019), (242, 197290), (362, 131890), (436, 109505), (484, 98645), (545, 87604), (605, 78916), (724, 65945), (905, 52756), (1090, 43802), (1199, 39820), (1210, 39458), (1810, 26378), (1991, 23980), (2180, 21901), (2398, 19910), (2420, 19729), (3620, 13189), (3982, 11990), (4796, 9955), (5995, 7964)]