152704420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:829

約数の個数: 72

約数和(自身を含む): 356945400

約数和(自身を除く): 204240980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 121, 178, 220, 242, 356, 445, 484, 605, 709, 890, 979, 1210, 1418, 1780, 1958, 2420, 2836, 3545, 3916, 4895, 7090, 7799, 9790, 10769, 14180, 15598, 19580, 21538, 31196, 38995, 43076, 53845, 63101, 77990, 85789, 107690, 126202, 155980, 171578, 215380, 252404, 315505, 343156, 428945, 631010, 694111, 857890, 1262020, 1388222, 1715780, 2776444, 3470555, 6941110, 7635221, 13882220, 15270442, 30540884, 38176105, 76352210, 152704420]

約数ペア:

[(1, 152704420), (2, 76352210), (4, 38176105), (5, 30540884), (10, 15270442), (11, 13882220), (20, 7635221), (22, 6941110), (44, 3470555), (55, 2776444), (89, 1715780), (110, 1388222), (121, 1262020), (178, 857890), (220, 694111), (242, 631010), (356, 428945), (445, 343156), (484, 315505), (605, 252404), (709, 215380), (890, 171578), (979, 155980), (1210, 126202), (1418, 107690), (1780, 85789), (1958, 77990), (2420, 63101), (2836, 53845), (3545, 43076), (3916, 38995), (4895, 31196), (7090, 21538), (7799, 19580), (9790, 15598), (10769, 14180)]