389567488

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{20023}}^1$

素因数の和:20062

約数の個数: 44

約数和(自身を含む): 819782560

約数和(自身を除く): 430215072

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1216, 2432, 4864, 9728, 19456, 20023, 40046, 80092, 160184, 320368, 380437, 640736, 760874, 1281472, 1521748, 2562944, 3043496, 5125888, 6086992, 10251776, 12173984, 20503552, 24347968, 48695936, 97391872, 194783744, 389567488]

約数ペア:

[(1, 389567488), (2, 194783744), (4, 97391872), (8, 48695936), (16, 24347968), (19, 20503552), (32, 12173984), (38, 10251776), (64, 6086992), (76, 5125888), (128, 3043496), (152, 2562944), (256, 1521748), (304, 1281472), (512, 760874), (608, 640736), (1024, 380437), (1216, 320368), (2432, 160184), (4864, 80092), (9728, 40046), (19456, 20023)]