1397818880

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{32119}}^1$

素因数の和:32159

約数の個数: 80

約数和(自身を含む): 3548746080

約数和(自身を除く): 2150927200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 5440, 8704, 10880, 21760, 32119, 43520, 64238, 128476, 160595, 256952, 321190, 513904, 546023, 642380, 1027808, 1092046, 1284760, 2055616, 2184092, 2569520, 2730115, 4111232, 4368184, 5139040, 5460230, 8222464, 8736368, 10278080, 10920460, 16444928, 17472736, 20556160, 21840920, 34945472, 41112320, 43681840, 69890944, 82224640, 87363680, 139781888, 174727360, 279563776, 349454720, 698909440, 1397818880]

約数ペア:

[(1, 1397818880), (2, 698909440), (4, 349454720), (5, 279563776), (8, 174727360), (10, 139781888), (16, 87363680), (17, 82224640), (20, 69890944), (32, 43681840), (34, 41112320), (40, 34945472), (64, 21840920), (68, 20556160), (80, 17472736), (85, 16444928), (128, 10920460), (136, 10278080), (160, 8736368), (170, 8222464), (256, 5460230), (272, 5139040), (320, 4368184), (340, 4111232), (512, 2730115), (544, 2569520), (640, 2184092), (680, 2055616), (1088, 1284760), (1280, 1092046), (1360, 1027808), (2176, 642380), (2560, 546023), (2720, 513904), (4352, 321190), (5440, 256952), (8704, 160595), (10880, 128476), (21760, 64238), (32119, 43520)]