218574252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:612

約数の個数: 144

約数和(自身を含む): 640872960

約数和(自身を除く): 422298708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 47, 52, 57, 76, 78, 94, 114, 117, 141, 156, 171, 188, 228, 234, 247, 282, 342, 423, 468, 494, 523, 564, 611, 684, 741, 846, 893, 988, 1046, 1222, 1482, 1569, 1692, 1786, 1833, 2092, 2223, 2444, 2679, 2964, 3138, 3572, 3666, 4446, 4707, 5358, 5499, 6276, 6799, 7332, 8037, 8892, 9414, 9937, 10716, 10998, 11609, 13598, 16074, 18828, 19874, 20397, 21996, 23218, 24581, 27196, 29811, 32148, 34827, 39748, 40794, 46436, 49162, 59622, 61191, 69654, 73743, 81588, 89433, 98324, 104481, 119244, 122382, 129181, 139308, 147486, 178866, 208962, 221229, 244764, 258362, 294972, 319553, 357732, 387543, 417924, 442458, 467039, 516724, 639106, 775086, 884916, 934078, 958659, 1162629, 1278212, 1401117, 1550172, 1868156, 1917318, 2325258, 2802234, 2875977, 3834636, 4203351, 4650516, 5604468, 5751954, 6071507, 8406702, 11503908, 12143014, 16813404, 18214521, 24286028, 36429042, 54643563, 72858084, 109287126, 218574252]

約数ペア:

[(1, 218574252), (2, 109287126), (3, 72858084), (4, 54643563), (6, 36429042), (9, 24286028), (12, 18214521), (13, 16813404), (18, 12143014), (19, 11503908), (26, 8406702), (36, 6071507), (38, 5751954), (39, 5604468), (47, 4650516), (52, 4203351), (57, 3834636), (76, 2875977), (78, 2802234), (94, 2325258), (114, 1917318), (117, 1868156), (141, 1550172), (156, 1401117), (171, 1278212), (188, 1162629), (228, 958659), (234, 934078), (247, 884916), (282, 775086), (342, 639106), (423, 516724), (468, 467039), (494, 442458), (523, 417924), (564, 387543), (611, 357732), (684, 319553), (741, 294972), (846, 258362), (893, 244764), (988, 221229), (1046, 208962), (1222, 178866), (1482, 147486), (1569, 139308), (1692, 129181), (1786, 122382), (1833, 119244), (2092, 104481), (2223, 98324), (2444, 89433), (2679, 81588), (2964, 73743), (3138, 69654), (3572, 61191), (3666, 59622), (4446, 49162), (4707, 46436), (5358, 40794), (5499, 39748), (6276, 34827), (6799, 32148), (7332, 29811), (8037, 27196), (8892, 24581), (9414, 23218), (9937, 21996), (10716, 20397), (10998, 19874), (11609, 18828), (13598, 16074)]