215468968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 128

約数和(自身を含む): 522547200

約数和(自身を除く): 307078232

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 23, 26, 38, 44, 46, 52, 76, 88, 92, 104, 143, 152, 184, 209, 247, 253, 286, 299, 418, 431, 437, 494, 506, 572, 598, 836, 862, 874, 988, 1012, 1144, 1196, 1672, 1724, 1748, 1976, 2024, 2392, 2717, 3289, 3448, 3496, 4741, 4807, 5434, 5603, 5681, 6578, 8189, 9482, 9614, 9913, 10868, 11206, 11362, 13156, 16378, 18964, 19228, 19826, 21736, 22412, 22724, 26312, 32756, 37928, 38456, 39652, 44824, 45448, 61633, 62491, 65512, 79304, 90079, 106457, 109043, 123266, 124982, 128869, 180158, 188347, 212914, 218086, 246532, 249964, 257738, 360316, 376694, 425828, 436172, 493064, 499928, 515476, 720632, 753388, 851656, 872344, 1030952, 1171027, 1417559, 1506776, 2071817, 2342054, 2448511, 2835118, 4143634, 4684108, 4897022, 5670236, 8287268, 9368216, 9794044, 11340472, 16574536, 19588088, 26933621, 53867242, 107734484, 215468968]

約数ペア:

[(1, 215468968), (2, 107734484), (4, 53867242), (8, 26933621), (11, 19588088), (13, 16574536), (19, 11340472), (22, 9794044), (23, 9368216), (26, 8287268), (38, 5670236), (44, 4897022), (46, 4684108), (52, 4143634), (76, 2835118), (88, 2448511), (92, 2342054), (104, 2071817), (143, 1506776), (152, 1417559), (184, 1171027), (209, 1030952), (247, 872344), (253, 851656), (286, 753388), (299, 720632), (418, 515476), (431, 499928), (437, 493064), (494, 436172), (506, 425828), (572, 376694), (598, 360316), (836, 257738), (862, 249964), (874, 246532), (988, 218086), (1012, 212914), (1144, 188347), (1196, 180158), (1672, 128869), (1724, 124982), (1748, 123266), (1976, 109043), (2024, 106457), (2392, 90079), (2717, 79304), (3289, 65512), (3448, 62491), (3496, 61633), (4741, 45448), (4807, 44824), (5434, 39652), (5603, 38456), (5681, 37928), (6578, 32756), (8189, 26312), (9482, 22724), (9614, 22412), (9913, 21736), (10868, 19826), (11206, 19228), (11362, 18964), (13156, 16378)]