211681764

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 180

約数和(自身を含む): 652520960

約数和(自身を除く): 440839196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 49, 62, 63, 79, 84, 93, 98, 124, 126, 147, 158, 186, 196, 217, 237, 252, 279, 294, 316, 343, 372, 434, 441, 474, 553, 558, 588, 651, 686, 711, 868, 882, 948, 1029, 1106, 1116, 1302, 1372, 1422, 1519, 1659, 1764, 1953, 2058, 2212, 2401, 2449, 2604, 2844, 3038, 3087, 3318, 3871, 3906, 4116, 4557, 4802, 4898, 4977, 6076, 6174, 6636, 7203, 7347, 7742, 7812, 9114, 9604, 9796, 9954, 10633, 11613, 12348, 13671, 14406, 14694, 15484, 17143, 18228, 19908, 21266, 21609, 22041, 23226, 27097, 27342, 28812, 29388, 31899, 34286, 34839, 42532, 43218, 44082, 46452, 51429, 54194, 54684, 63798, 68572, 69678, 74431, 81291, 86436, 88164, 95697, 102858, 108388, 120001, 127596, 139356, 148862, 154287, 162582, 189679, 191394, 205716, 223293, 240002, 243873, 297724, 308574, 325164, 360003, 379358, 382788, 446586, 480004, 487746, 569037, 617148, 669879, 720006, 758716, 840007, 893172, 975492, 1080009, 1138074, 1339758, 1440012, 1680014, 1707111, 2160018, 2276148, 2520021, 2679516, 3360028, 3414222, 4320036, 5040042, 5880049, 6828444, 7560063, 10080084, 11760098, 15120126, 17640147, 23520196, 30240252, 35280294, 52920441, 70560588, 105840882, 211681764]

約数ペア:

[(1, 211681764), (2, 105840882), (3, 70560588), (4, 52920441), (6, 35280294), (7, 30240252), (9, 23520196), (12, 17640147), (14, 15120126), (18, 11760098), (21, 10080084), (28, 7560063), (31, 6828444), (36, 5880049), (42, 5040042), (49, 4320036), (62, 3414222), (63, 3360028), (79, 2679516), (84, 2520021), (93, 2276148), (98, 2160018), (124, 1707111), (126, 1680014), (147, 1440012), (158, 1339758), (186, 1138074), (196, 1080009), (217, 975492), (237, 893172), (252, 840007), (279, 758716), (294, 720006), (316, 669879), (343, 617148), (372, 569037), (434, 487746), (441, 480004), (474, 446586), (553, 382788), (558, 379358), (588, 360003), (651, 325164), (686, 308574), (711, 297724), (868, 243873), (882, 240002), (948, 223293), (1029, 205716), (1106, 191394), (1116, 189679), (1302, 162582), (1372, 154287), (1422, 148862), (1519, 139356), (1659, 127596), (1764, 120001), (1953, 108388), (2058, 102858), (2212, 95697), (2401, 88164), (2449, 86436), (2604, 81291), (2844, 74431), (3038, 69678), (3087, 68572), (3318, 63798), (3871, 54684), (3906, 54194), (4116, 51429), (4557, 46452), (4802, 44082), (4898, 43218), (4977, 42532), (6076, 34839), (6174, 34286), (6636, 31899), (7203, 29388), (7347, 28812), (7742, 27342), (7812, 27097), (9114, 23226), (9604, 22041), (9796, 21609), (9954, 21266), (10633, 19908), (11613, 18228), (12348, 17143), (13671, 15484), (14406, 14694)]