219680916

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1054

約数の個数: 144

約数和(自身を含む): 664957440

約数和(自身を除く): 445276524

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 49, 52, 58, 78, 84, 87, 91, 98, 116, 147, 156, 174, 182, 196, 203, 273, 294, 348, 364, 377, 406, 546, 588, 609, 637, 754, 812, 991, 1092, 1131, 1218, 1274, 1421, 1508, 1911, 1982, 2262, 2436, 2548, 2639, 2842, 2973, 3822, 3964, 4263, 4524, 5278, 5684, 5946, 6937, 7644, 7917, 8526, 10556, 11892, 12883, 13874, 15834, 17052, 18473, 20811, 25766, 27748, 28739, 31668, 36946, 38649, 41622, 48559, 51532, 55419, 57478, 73892, 77298, 83244, 86217, 90181, 97118, 110838, 114956, 145677, 154596, 172434, 180362, 194236, 201173, 221676, 270543, 291354, 344868, 360724, 373607, 402346, 541086, 582708, 603519, 631267, 747214, 804692, 1082172, 1120821, 1207038, 1262534, 1408211, 1494428, 1893801, 2241642, 2414076, 2525068, 2615249, 2816422, 3787602, 4224633, 4483284, 5230498, 5632844, 7575204, 7845747, 8449266, 10460996, 15691494, 16898532, 18306743, 31382988, 36613486, 54920229, 73226972, 109840458, 219680916]

約数ペア:

[(1, 219680916), (2, 109840458), (3, 73226972), (4, 54920229), (6, 36613486), (7, 31382988), (12, 18306743), (13, 16898532), (14, 15691494), (21, 10460996), (26, 8449266), (28, 7845747), (29, 7575204), (39, 5632844), (42, 5230498), (49, 4483284), (52, 4224633), (58, 3787602), (78, 2816422), (84, 2615249), (87, 2525068), (91, 2414076), (98, 2241642), (116, 1893801), (147, 1494428), (156, 1408211), (174, 1262534), (182, 1207038), (196, 1120821), (203, 1082172), (273, 804692), (294, 747214), (348, 631267), (364, 603519), (377, 582708), (406, 541086), (546, 402346), (588, 373607), (609, 360724), (637, 344868), (754, 291354), (812, 270543), (991, 221676), (1092, 201173), (1131, 194236), (1218, 180362), (1274, 172434), (1421, 154596), (1508, 145677), (1911, 114956), (1982, 110838), (2262, 97118), (2436, 90181), (2548, 86217), (2639, 83244), (2842, 77298), (2973, 73892), (3822, 57478), (3964, 55419), (4263, 51532), (4524, 48559), (5278, 41622), (5684, 38649), (5946, 36946), (6937, 31668), (7644, 28739), (7917, 27748), (8526, 25766), (10556, 20811), (11892, 18473), (12883, 17052), (13874, 15834)]