238771904

素因数分解:

$2^6\times 7^3\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 112

約数和(自身を含む): 563880000

約数和(自身を除く): 325108096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 98, 112, 146, 149, 196, 224, 292, 298, 343, 392, 448, 511, 584, 596, 686, 784, 1022, 1043, 1168, 1192, 1372, 1568, 2044, 2086, 2336, 2384, 2744, 3136, 3577, 4088, 4172, 4672, 4768, 5488, 7154, 7301, 8176, 8344, 9536, 10877, 10976, 14308, 14602, 16352, 16688, 21754, 21952, 25039, 28616, 29204, 32704, 33376, 43508, 50078, 51107, 57232, 58408, 66752, 76139, 87016, 100156, 102214, 114464, 116816, 152278, 174032, 200312, 204428, 228928, 233632, 304556, 348064, 400624, 408856, 467264, 532973, 609112, 696128, 801248, 817712, 1065946, 1218224, 1602496, 1635424, 2131892, 2436448, 3270848, 3730811, 4263784, 4872896, 7461622, 8527568, 14923244, 17055136, 29846488, 34110272, 59692976, 119385952, 238771904]

約数ペア:

[(1, 238771904), (2, 119385952), (4, 59692976), (7, 34110272), (8, 29846488), (14, 17055136), (16, 14923244), (28, 8527568), (32, 7461622), (49, 4872896), (56, 4263784), (64, 3730811), (73, 3270848), (98, 2436448), (112, 2131892), (146, 1635424), (149, 1602496), (196, 1218224), (224, 1065946), (292, 817712), (298, 801248), (343, 696128), (392, 609112), (448, 532973), (511, 467264), (584, 408856), (596, 400624), (686, 348064), (784, 304556), (1022, 233632), (1043, 228928), (1168, 204428), (1192, 200312), (1372, 174032), (1568, 152278), (2044, 116816), (2086, 114464), (2336, 102214), (2384, 100156), (2744, 87016), (3136, 76139), (3577, 66752), (4088, 58408), (4172, 57232), (4672, 51107), (4768, 50078), (5488, 43508), (7154, 33376), (7301, 32704), (8176, 29204), (8344, 28616), (9536, 25039), (10877, 21952), (10976, 21754), (14308, 16688), (14602, 16352)]