210928520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 554739840

約数和(自身を除く): 343811320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 163, 170, 173, 187, 220, 326, 340, 346, 374, 440, 652, 680, 692, 748, 815, 865, 935, 1304, 1384, 1496, 1630, 1730, 1793, 1870, 1903, 2771, 2941, 3260, 3460, 3586, 3740, 3806, 5542, 5882, 6520, 6920, 7172, 7480, 7612, 8965, 9515, 11084, 11764, 13855, 14344, 14705, 15224, 17930, 19030, 22168, 23528, 27710, 28199, 29410, 30481, 32351, 35860, 38060, 55420, 56398, 58820, 60962, 64702, 71720, 76120, 110840, 112796, 117640, 121924, 129404, 140995, 152405, 161755, 225592, 243848, 258808, 281990, 304810, 310189, 323510, 479383, 563980, 609620, 620378, 647020, 958766, 1127960, 1219240, 1240756, 1294040, 1550945, 1917532, 2396915, 2481512, 3101890, 3835064, 4793830, 5273213, 6203780, 9587660, 10546426, 12407560, 19175320, 21092852, 26366065, 42185704, 52732130, 105464260, 210928520]

約数ペア:

[(1, 210928520), (2, 105464260), (4, 52732130), (5, 42185704), (8, 26366065), (10, 21092852), (11, 19175320), (17, 12407560), (20, 10546426), (22, 9587660), (34, 6203780), (40, 5273213), (44, 4793830), (55, 3835064), (68, 3101890), (85, 2481512), (88, 2396915), (110, 1917532), (136, 1550945), (163, 1294040), (170, 1240756), (173, 1219240), (187, 1127960), (220, 958766), (326, 647020), (340, 620378), (346, 609620), (374, 563980), (440, 479383), (652, 323510), (680, 310189), (692, 304810), (748, 281990), (815, 258808), (865, 243848), (935, 225592), (1304, 161755), (1384, 152405), (1496, 140995), (1630, 129404), (1730, 121924), (1793, 117640), (1870, 112796), (1903, 110840), (2771, 76120), (2941, 71720), (3260, 64702), (3460, 60962), (3586, 58820), (3740, 56398), (3806, 55420), (5542, 38060), (5882, 35860), (6520, 32351), (6920, 30481), (7172, 29410), (7480, 28199), (7612, 27710), (8965, 23528), (9515, 22168), (11084, 19030), (11764, 17930), (13855, 15224), (14344, 14705)]