349104640

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 160

約数和(自身を含む): 890942976

約数和(自身を除く): 541838336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 83, 106, 124, 128, 155, 160, 166, 212, 248, 256, 265, 310, 320, 332, 415, 424, 496, 512, 530, 620, 640, 664, 830, 848, 992, 1060, 1240, 1280, 1328, 1643, 1660, 1696, 1984, 2120, 2480, 2560, 2573, 2656, 3286, 3320, 3392, 3968, 4240, 4399, 4960, 5146, 5312, 6572, 6640, 6784, 7936, 8215, 8480, 8798, 9920, 10292, 10624, 12865, 13144, 13280, 13568, 15872, 16430, 16960, 17596, 19840, 20584, 21248, 21995, 25730, 26288, 26560, 27136, 32860, 33920, 35192, 39680, 41168, 42496, 43990, 51460, 52576, 53120, 65720, 67840, 70384, 79360, 82336, 87980, 102920, 105152, 106240, 131440, 135680, 136369, 140768, 164672, 175960, 205840, 210304, 212480, 262880, 272738, 281536, 329344, 351920, 411680, 420608, 525760, 545476, 563072, 658688, 681845, 703840, 823360, 841216, 1051520, 1090952, 1126144, 1317376, 1363690, 1407680, 1646720, 2103040, 2181904, 2252288, 2727380, 2815360, 3293440, 4206080, 4363808, 5454760, 5630720, 6586880, 8727616, 10909520, 11261440, 17455232, 21819040, 34910464, 43638080, 69820928, 87276160, 174552320, 349104640]

約数ペア:

[(1, 349104640), (2, 174552320), (4, 87276160), (5, 69820928), (8, 43638080), (10, 34910464), (16, 21819040), (20, 17455232), (31, 11261440), (32, 10909520), (40, 8727616), (53, 6586880), (62, 5630720), (64, 5454760), (80, 4363808), (83, 4206080), (106, 3293440), (124, 2815360), (128, 2727380), (155, 2252288), (160, 2181904), (166, 2103040), (212, 1646720), (248, 1407680), (256, 1363690), (265, 1317376), (310, 1126144), (320, 1090952), (332, 1051520), (415, 841216), (424, 823360), (496, 703840), (512, 681845), (530, 658688), (620, 563072), (640, 545476), (664, 525760), (830, 420608), (848, 411680), (992, 351920), (1060, 329344), (1240, 281536), (1280, 272738), (1328, 262880), (1643, 212480), (1660, 210304), (1696, 205840), (1984, 175960), (2120, 164672), (2480, 140768), (2560, 136369), (2573, 135680), (2656, 131440), (3286, 106240), (3320, 105152), (3392, 102920), (3968, 87980), (4240, 82336), (4399, 79360), (4960, 70384), (5146, 67840), (5312, 65720), (6572, 53120), (6640, 52576), (6784, 51460), (7936, 43990), (8215, 42496), (8480, 41168), (8798, 39680), (9920, 35192), (10292, 33920), (10624, 32860), (12865, 27136), (13144, 26560), (13280, 26288), (13568, 25730), (15872, 21995), (16430, 21248), (16960, 20584), (17596, 19840)]