428506240

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:438

約数の個数: 128

約数和(自身を含む): 1090584000

約数和(自身を除く): 662077760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 131, 152, 160, 190, 262, 269, 304, 320, 380, 524, 538, 608, 640, 655, 760, 1048, 1076, 1216, 1310, 1345, 1520, 2096, 2152, 2432, 2489, 2620, 2690, 3040, 4192, 4304, 4978, 5111, 5240, 5380, 6080, 8384, 8608, 9956, 10222, 10480, 10760, 12160, 12445, 16768, 17216, 19912, 20444, 20960, 21520, 24890, 25555, 34432, 35239, 39824, 40888, 41920, 43040, 49780, 51110, 70478, 79648, 81776, 83840, 86080, 99560, 102220, 140956, 159296, 163552, 172160, 176195, 199120, 204440, 281912, 318592, 327104, 352390, 398240, 408880, 563824, 654208, 669541, 704780, 796480, 817760, 1127648, 1339082, 1409560, 1592960, 1635520, 2255296, 2678164, 2819120, 3271040, 3347705, 4510592, 5356328, 5638240, 6695410, 10712656, 11276480, 13390820, 21425312, 22552960, 26781640, 42850624, 53563280, 85701248, 107126560, 214253120, 428506240]

約数ペア:

[(1, 428506240), (2, 214253120), (4, 107126560), (5, 85701248), (8, 53563280), (10, 42850624), (16, 26781640), (19, 22552960), (20, 21425312), (32, 13390820), (38, 11276480), (40, 10712656), (64, 6695410), (76, 5638240), (80, 5356328), (95, 4510592), (128, 3347705), (131, 3271040), (152, 2819120), (160, 2678164), (190, 2255296), (262, 1635520), (269, 1592960), (304, 1409560), (320, 1339082), (380, 1127648), (524, 817760), (538, 796480), (608, 704780), (640, 669541), (655, 654208), (760, 563824), (1048, 408880), (1076, 398240), (1216, 352390), (1310, 327104), (1345, 318592), (1520, 281912), (2096, 204440), (2152, 199120), (2432, 176195), (2489, 172160), (2620, 163552), (2690, 159296), (3040, 140956), (4192, 102220), (4304, 99560), (4978, 86080), (5111, 83840), (5240, 81776), (5380, 79648), (6080, 70478), (8384, 51110), (8608, 49780), (9956, 43040), (10222, 41920), (10480, 40888), (10760, 39824), (12160, 35239), (12445, 34432), (16768, 25555), (17216, 24890), (19912, 21520), (20444, 20960)]