489774080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 132

約数和(自身を含む): 1251830568

約数和(自身を除く): 762056488

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, 289, 320, 331, 340, 512, 544, 578, 640, 662, 680, 1024, 1088, 1156, 1280, 1324, 1360, 1445, 1655, 2176, 2312, 2560, 2648, 2720, 2890, 3310, 4352, 4624, 5120, 5296, 5440, 5627, 5780, 6620, 8704, 9248, 10592, 10880, 11254, 11560, 13240, 17408, 18496, 21184, 21760, 22508, 23120, 26480, 28135, 36992, 42368, 43520, 45016, 46240, 52960, 56270, 73984, 84736, 87040, 90032, 92480, 95659, 105920, 112540, 147968, 169472, 180064, 184960, 191318, 211840, 225080, 295936, 338944, 360128, 369920, 382636, 423680, 450160, 478295, 720256, 739840, 765272, 847360, 900320, 956590, 1440512, 1479680, 1530544, 1694720, 1800640, 1913180, 2881024, 3061088, 3601280, 3826360, 5762048, 6122176, 7202560, 7652720, 12244352, 14405120, 15305440, 24488704, 28810240, 30610880, 48977408, 61221760, 97954816, 122443520, 244887040, 489774080]

約数ペア:

[(1, 489774080), (2, 244887040), (4, 122443520), (5, 97954816), (8, 61221760), (10, 48977408), (16, 30610880), (17, 28810240), (20, 24488704), (32, 15305440), (34, 14405120), (40, 12244352), (64, 7652720), (68, 7202560), (80, 6122176), (85, 5762048), (128, 3826360), (136, 3601280), (160, 3061088), (170, 2881024), (256, 1913180), (272, 1800640), (289, 1694720), (320, 1530544), (331, 1479680), (340, 1440512), (512, 956590), (544, 900320), (578, 847360), (640, 765272), (662, 739840), (680, 720256), (1024, 478295), (1088, 450160), (1156, 423680), (1280, 382636), (1324, 369920), (1360, 360128), (1445, 338944), (1655, 295936), (2176, 225080), (2312, 211840), (2560, 191318), (2648, 184960), (2720, 180064), (2890, 169472), (3310, 147968), (4352, 112540), (4624, 105920), (5120, 95659), (5296, 92480), (5440, 90032), (5627, 87040), (5780, 84736), (6620, 73984), (8704, 56270), (9248, 52960), (10592, 46240), (10880, 45016), (11254, 43520), (11560, 42368), (13240, 36992), (17408, 28135), (18496, 26480), (21184, 23120), (21760, 22508)]