421295360

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1076

約数の個数: 144

約数和(自身を含む): 1125835200

約数和(自身を除く): 704539840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 256, 272, 304, 320, 323, 340, 380, 544, 608, 640, 646, 680, 760, 1019, 1088, 1216, 1280, 1292, 1360, 1520, 1615, 2038, 2176, 2432, 2584, 2720, 3040, 3230, 4076, 4352, 4864, 5095, 5168, 5440, 6080, 6460, 8152, 10190, 10336, 10880, 12160, 12920, 16304, 17323, 19361, 20380, 20672, 21760, 24320, 25840, 32608, 34646, 38722, 40760, 41344, 51680, 65216, 69292, 77444, 81520, 82688, 86615, 96805, 103360, 130432, 138584, 154888, 163040, 173230, 193610, 206720, 260864, 277168, 309776, 326080, 329137, 346460, 387220, 413440, 554336, 619552, 652160, 658274, 692920, 774440, 1108672, 1239104, 1304320, 1316548, 1385840, 1548880, 1645685, 2217344, 2478208, 2633096, 2771680, 3097760, 3291370, 4434688, 4956416, 5266192, 5543360, 6195520, 6582740, 10532384, 11086720, 12391040, 13165480, 21064768, 22173440, 24782080, 26330960, 42129536, 52661920, 84259072, 105323840, 210647680, 421295360]

約数ペア:

[(1, 421295360), (2, 210647680), (4, 105323840), (5, 84259072), (8, 52661920), (10, 42129536), (16, 26330960), (17, 24782080), (19, 22173440), (20, 21064768), (32, 13165480), (34, 12391040), (38, 11086720), (40, 10532384), (64, 6582740), (68, 6195520), (76, 5543360), (80, 5266192), (85, 4956416), (95, 4434688), (128, 3291370), (136, 3097760), (152, 2771680), (160, 2633096), (170, 2478208), (190, 2217344), (256, 1645685), (272, 1548880), (304, 1385840), (320, 1316548), (323, 1304320), (340, 1239104), (380, 1108672), (544, 774440), (608, 692920), (640, 658274), (646, 652160), (680, 619552), (760, 554336), (1019, 413440), (1088, 387220), (1216, 346460), (1280, 329137), (1292, 326080), (1360, 309776), (1520, 277168), (1615, 260864), (2038, 206720), (2176, 193610), (2432, 173230), (2584, 163040), (2720, 154888), (3040, 138584), (3230, 130432), (4076, 103360), (4352, 96805), (4864, 86615), (5095, 82688), (5168, 81520), (5440, 77444), (6080, 69292), (6460, 65216), (8152, 51680), (10190, 41344), (10336, 40760), (10880, 38722), (12160, 34646), (12920, 32608), (16304, 25840), (17323, 24320), (19361, 21760), (20380, 20672)]