188400640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1243

約数の個数: 88

約数和(自身を含む): 466912512

約数和(自身を除く): 278511872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1187, 1240, 1280, 1984, 2374, 2480, 2560, 3968, 4748, 4960, 5120, 5935, 7936, 9496, 9920, 11870, 15872, 18992, 19840, 23740, 31744, 36797, 37984, 39680, 47480, 73594, 75968, 79360, 94960, 147188, 151936, 158720, 183985, 189920, 294376, 303872, 367970, 379840, 588752, 607744, 735940, 759680, 1177504, 1215488, 1471880, 1519360, 2355008, 2943760, 3038720, 4710016, 5887520, 6077440, 9420032, 11775040, 18840064, 23550080, 37680128, 47100160, 94200320, 188400640]

約数ペア:

[(1, 188400640), (2, 94200320), (4, 47100160), (5, 37680128), (8, 23550080), (10, 18840064), (16, 11775040), (20, 9420032), (31, 6077440), (32, 5887520), (40, 4710016), (62, 3038720), (64, 2943760), (80, 2355008), (124, 1519360), (128, 1471880), (155, 1215488), (160, 1177504), (248, 759680), (256, 735940), (310, 607744), (320, 588752), (496, 379840), (512, 367970), (620, 303872), (640, 294376), (992, 189920), (1024, 183985), (1187, 158720), (1240, 151936), (1280, 147188), (1984, 94960), (2374, 79360), (2480, 75968), (2560, 73594), (3968, 47480), (4748, 39680), (4960, 37984), (5120, 36797), (5935, 31744), (7936, 23740), (9496, 19840), (9920, 18992), (11870, 15872)]