989184460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{10289}}^1$

素因数の和:10351

約数の個数: 96

約数和(自身を含む): 2489356800

約数和(自身を除く): 1500172340

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 44, 46, 55, 76, 92, 95, 110, 115, 190, 209, 220, 230, 253, 380, 418, 437, 460, 506, 836, 874, 1012, 1045, 1265, 1748, 2090, 2185, 2530, 4180, 4370, 4807, 5060, 8740, 9614, 10289, 19228, 20578, 24035, 41156, 48070, 51445, 96140, 102890, 113179, 195491, 205780, 226358, 236647, 390982, 452716, 473294, 565895, 781964, 946588, 977455, 1131790, 1183235, 1954910, 2150401, 2263580, 2366470, 2603117, 3909820, 4300802, 4496293, 4732940, 5206234, 8601604, 8992586, 10412468, 10752005, 13015585, 17985172, 21504010, 22481465, 26031170, 43008020, 44962930, 49459223, 52062340, 89925860, 98918446, 197836892, 247296115, 494592230, 989184460]

約数ペア:

[(1, 989184460), (2, 494592230), (4, 247296115), (5, 197836892), (10, 98918446), (11, 89925860), (19, 52062340), (20, 49459223), (22, 44962930), (23, 43008020), (38, 26031170), (44, 22481465), (46, 21504010), (55, 17985172), (76, 13015585), (92, 10752005), (95, 10412468), (110, 8992586), (115, 8601604), (190, 5206234), (209, 4732940), (220, 4496293), (230, 4300802), (253, 3909820), (380, 2603117), (418, 2366470), (437, 2263580), (460, 2150401), (506, 1954910), (836, 1183235), (874, 1131790), (1012, 977455), (1045, 946588), (1265, 781964), (1748, 565895), (2090, 473294), (2185, 452716), (2530, 390982), (4180, 236647), (4370, 226358), (4807, 205780), (5060, 195491), (8740, 113179), (9614, 102890), (10289, 96140), (19228, 51445), (20578, 48070), (24035, 41156)]