230377840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 160

約数和(自身を含む): 674956800

約数和(自身を除く): 444578960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 149, 154, 176, 220, 251, 280, 298, 308, 385, 440, 502, 560, 596, 616, 745, 770, 880, 1004, 1043, 1192, 1232, 1255, 1490, 1540, 1639, 1757, 2008, 2086, 2384, 2510, 2761, 2980, 3080, 3278, 3514, 4016, 4172, 5020, 5215, 5522, 5960, 6160, 6556, 7028, 8195, 8344, 8785, 10040, 10430, 11044, 11473, 11920, 13112, 13805, 14056, 16390, 16688, 17570, 19327, 20080, 20860, 22088, 22946, 26224, 27610, 28112, 32780, 35140, 37399, 38654, 41720, 44176, 45892, 55220, 57365, 65560, 70280, 74798, 77308, 83440, 91784, 96635, 110440, 114730, 131120, 140560, 149596, 154616, 183568, 186995, 193270, 220880, 229460, 261793, 299192, 309232, 373990, 386540, 411389, 458920, 523586, 598384, 747980, 773080, 822778, 917840, 1047172, 1308965, 1495960, 1546160, 1645556, 2056945, 2094344, 2617930, 2879723, 2991920, 3291112, 4113890, 4188688, 5235860, 5759446, 6582224, 8227780, 10471720, 11518892, 14398615, 16455560, 20943440, 23037784, 28797230, 32911120, 46075568, 57594460, 115188920, 230377840]

約数ペア:

[(1, 230377840), (2, 115188920), (4, 57594460), (5, 46075568), (7, 32911120), (8, 28797230), (10, 23037784), (11, 20943440), (14, 16455560), (16, 14398615), (20, 11518892), (22, 10471720), (28, 8227780), (35, 6582224), (40, 5759446), (44, 5235860), (55, 4188688), (56, 4113890), (70, 3291112), (77, 2991920), (80, 2879723), (88, 2617930), (110, 2094344), (112, 2056945), (140, 1645556), (149, 1546160), (154, 1495960), (176, 1308965), (220, 1047172), (251, 917840), (280, 822778), (298, 773080), (308, 747980), (385, 598384), (440, 523586), (502, 458920), (560, 411389), (596, 386540), (616, 373990), (745, 309232), (770, 299192), (880, 261793), (1004, 229460), (1043, 220880), (1192, 193270), (1232, 186995), (1255, 183568), (1490, 154616), (1540, 149596), (1639, 140560), (1757, 131120), (2008, 114730), (2086, 110440), (2384, 96635), (2510, 91784), (2761, 83440), (2980, 77308), (3080, 74798), (3278, 70280), (3514, 65560), (4016, 57365), (4172, 55220), (5020, 45892), (5215, 44176), (5522, 41720), (5960, 38654), (6160, 37399), (6556, 35140), (7028, 32780), (8195, 28112), (8344, 27610), (8785, 26224), (10040, 22946), (10430, 22088), (11044, 20860), (11473, 20080), (11920, 19327), (13112, 17570), (13805, 16688), (14056, 16390)]