398264320

素因数分解:

$2^{11}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 1061424000

約数和(自身を除く): 663159680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 89, 92, 95, 115, 128, 152, 160, 178, 184, 190, 230, 256, 304, 320, 356, 368, 380, 437, 445, 460, 512, 608, 640, 712, 736, 760, 874, 890, 920, 1024, 1216, 1280, 1424, 1472, 1520, 1691, 1748, 1780, 1840, 2047, 2048, 2185, 2432, 2560, 2848, 2944, 3040, 3382, 3496, 3560, 3680, 4094, 4370, 4864, 5120, 5696, 5888, 6080, 6764, 6992, 7120, 7360, 8188, 8455, 8740, 9728, 10235, 10240, 11392, 11776, 12160, 13528, 13984, 14240, 14720, 16376, 16910, 17480, 19456, 20470, 22784, 23552, 24320, 27056, 27968, 28480, 29440, 32752, 33820, 34960, 38893, 38912, 40940, 45568, 47104, 48640, 54112, 55936, 56960, 58880, 65504, 67640, 69920, 77786, 81880, 91136, 97280, 108224, 111872, 113920, 117760, 131008, 135280, 139840, 155572, 163760, 182272, 194465, 194560, 216448, 223744, 227840, 235520, 262016, 270560, 279680, 311144, 327520, 388930, 432896, 447488, 455680, 524032, 541120, 559360, 622288, 655040, 777860, 865792, 894976, 911360, 1048064, 1082240, 1118720, 1244576, 1310080, 1555720, 1731584, 2096128, 2164480, 2237440, 2489152, 2620160, 3111440, 3463168, 4192256, 4328960, 4474880, 4978304, 5240320, 6222880, 8657920, 9956608, 10480640, 12445760, 17315840, 19913216, 20961280, 24891520, 39826432, 49783040, 79652864, 99566080, 199132160, 398264320]

約数ペア:

[(1, 398264320), (2, 199132160), (4, 99566080), (5, 79652864), (8, 49783040), (10, 39826432), (16, 24891520), (19, 20961280), (20, 19913216), (23, 17315840), (32, 12445760), (38, 10480640), (40, 9956608), (46, 8657920), (64, 6222880), (76, 5240320), (80, 4978304), (89, 4474880), (92, 4328960), (95, 4192256), (115, 3463168), (128, 3111440), (152, 2620160), (160, 2489152), (178, 2237440), (184, 2164480), (190, 2096128), (230, 1731584), (256, 1555720), (304, 1310080), (320, 1244576), (356, 1118720), (368, 1082240), (380, 1048064), (437, 911360), (445, 894976), (460, 865792), (512, 777860), (608, 655040), (640, 622288), (712, 559360), (736, 541120), (760, 524032), (874, 455680), (890, 447488), (920, 432896), (1024, 388930), (1216, 327520), (1280, 311144), (1424, 279680), (1472, 270560), (1520, 262016), (1691, 235520), (1748, 227840), (1780, 223744), (1840, 216448), (2047, 194560), (2048, 194465), (2185, 182272), (2432, 163760), (2560, 155572), (2848, 139840), (2944, 135280), (3040, 131008), (3382, 117760), (3496, 113920), (3560, 111872), (3680, 108224), (4094, 97280), (4370, 91136), (4864, 81880), (5120, 77786), (5696, 69920), (5888, 67640), (6080, 65504), (6764, 58880), (6992, 56960), (7120, 55936), (7360, 54112), (8188, 48640), (8455, 47104), (8740, 45568), (9728, 40940), (10235, 38912), (10240, 38893), (11392, 34960), (11776, 33820), (12160, 32752), (13528, 29440), (13984, 28480), (14240, 27968), (14720, 27056), (16376, 24320), (16910, 23552), (17480, 22784), (19456, 20470)]