498782720

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 160

約数和(自身を含む): 1291778928

約数和(自身を除く): 792996208

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 73, 80, 85, 128, 136, 146, 157, 160, 170, 256, 272, 292, 314, 320, 340, 365, 512, 544, 584, 628, 640, 680, 730, 785, 1088, 1168, 1241, 1256, 1280, 1360, 1460, 1570, 2176, 2336, 2482, 2512, 2560, 2669, 2720, 2920, 3140, 4352, 4672, 4964, 5024, 5338, 5440, 5840, 6205, 6280, 8704, 9344, 9928, 10048, 10676, 10880, 11461, 11680, 12410, 12560, 13345, 18688, 19856, 20096, 21352, 21760, 22922, 23360, 24820, 25120, 26690, 37376, 39712, 40192, 42704, 43520, 45844, 46720, 49640, 50240, 53380, 57305, 79424, 80384, 85408, 91688, 93440, 99280, 100480, 106760, 114610, 158848, 170816, 183376, 186880, 194837, 198560, 200960, 213520, 229220, 317696, 341632, 366752, 389674, 397120, 401920, 427040, 458440, 635392, 683264, 733504, 779348, 794240, 854080, 916880, 974185, 1366528, 1467008, 1558696, 1588480, 1708160, 1833760, 1948370, 2934016, 3117392, 3176960, 3416320, 3667520, 3896740, 5868032, 6234784, 6832640, 7335040, 7793480, 12469568, 14670080, 15586960, 24939136, 29340160, 31173920, 49878272, 62347840, 99756544, 124695680, 249391360, 498782720]

約数ペア:

[(1, 498782720), (2, 249391360), (4, 124695680), (5, 99756544), (8, 62347840), (10, 49878272), (16, 31173920), (17, 29340160), (20, 24939136), (32, 15586960), (34, 14670080), (40, 12469568), (64, 7793480), (68, 7335040), (73, 6832640), (80, 6234784), (85, 5868032), (128, 3896740), (136, 3667520), (146, 3416320), (157, 3176960), (160, 3117392), (170, 2934016), (256, 1948370), (272, 1833760), (292, 1708160), (314, 1588480), (320, 1558696), (340, 1467008), (365, 1366528), (512, 974185), (544, 916880), (584, 854080), (628, 794240), (640, 779348), (680, 733504), (730, 683264), (785, 635392), (1088, 458440), (1168, 427040), (1241, 401920), (1256, 397120), (1280, 389674), (1360, 366752), (1460, 341632), (1570, 317696), (2176, 229220), (2336, 213520), (2482, 200960), (2512, 198560), (2560, 194837), (2669, 186880), (2720, 183376), (2920, 170816), (3140, 158848), (4352, 114610), (4672, 106760), (4964, 100480), (5024, 99280), (5338, 93440), (5440, 91688), (5840, 85408), (6205, 80384), (6280, 79424), (8704, 57305), (9344, 53380), (9928, 50240), (10048, 49640), (10676, 46720), (10880, 45844), (11461, 43520), (11680, 42704), (12410, 40192), (12560, 39712), (13345, 37376), (18688, 26690), (19856, 25120), (20096, 24820), (21352, 23360), (21760, 22922)]