428552320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 192

約数和(自身を含む): 1247549760

約数和(自身を除く): 818997440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 289, 320, 331, 340, 448, 476, 544, 560, 578, 595, 640, 662, 680, 896, 952, 1088, 1120, 1156, 1190, 1324, 1360, 1445, 1655, 1904, 2023, 2176, 2240, 2312, 2317, 2380, 2648, 2720, 2890, 3310, 3808, 4046, 4480, 4624, 4634, 4760, 5296, 5440, 5627, 5780, 6620, 7616, 8092, 9248, 9268, 9520, 10115, 10592, 10880, 11254, 11560, 11585, 13240, 15232, 16184, 18496, 18536, 19040, 20230, 21184, 22508, 23120, 23170, 26480, 28135, 32368, 36992, 37072, 38080, 39389, 40460, 42368, 45016, 46240, 46340, 52960, 56270, 64736, 74144, 76160, 78778, 80920, 90032, 92480, 92680, 95659, 105920, 112540, 129472, 148288, 157556, 161840, 180064, 184960, 185360, 191318, 196945, 211840, 225080, 258944, 296576, 315112, 323680, 360128, 370720, 382636, 393890, 450160, 478295, 630224, 647360, 669613, 720256, 741440, 765272, 787780, 900320, 956590, 1260448, 1294720, 1339226, 1482880, 1530544, 1575560, 1800640, 1913180, 2520896, 2678452, 3061088, 3151120, 3348065, 3601280, 3826360, 5041792, 5356904, 6122176, 6302240, 6696130, 7652720, 10713808, 12244352, 12604480, 13392260, 15305440, 21427616, 25208960, 26784520, 30610880, 42855232, 53569040, 61221760, 85710464, 107138080, 214276160, 428552320]

約数ペア:

[(1, 428552320), (2, 214276160), (4, 107138080), (5, 85710464), (7, 61221760), (8, 53569040), (10, 42855232), (14, 30610880), (16, 26784520), (17, 25208960), (20, 21427616), (28, 15305440), (32, 13392260), (34, 12604480), (35, 12244352), (40, 10713808), (56, 7652720), (64, 6696130), (68, 6302240), (70, 6122176), (80, 5356904), (85, 5041792), (112, 3826360), (119, 3601280), (128, 3348065), (136, 3151120), (140, 3061088), (160, 2678452), (170, 2520896), (224, 1913180), (238, 1800640), (272, 1575560), (280, 1530544), (289, 1482880), (320, 1339226), (331, 1294720), (340, 1260448), (448, 956590), (476, 900320), (544, 787780), (560, 765272), (578, 741440), (595, 720256), (640, 669613), (662, 647360), (680, 630224), (896, 478295), (952, 450160), (1088, 393890), (1120, 382636), (1156, 370720), (1190, 360128), (1324, 323680), (1360, 315112), (1445, 296576), (1655, 258944), (1904, 225080), (2023, 211840), (2176, 196945), (2240, 191318), (2312, 185360), (2317, 184960), (2380, 180064), (2648, 161840), (2720, 157556), (2890, 148288), (3310, 129472), (3808, 112540), (4046, 105920), (4480, 95659), (4624, 92680), (4634, 92480), (4760, 90032), (5296, 80920), (5440, 78778), (5627, 76160), (5780, 74144), (6620, 64736), (7616, 56270), (8092, 52960), (9248, 46340), (9268, 46240), (9520, 45016), (10115, 42368), (10592, 40460), (10880, 39389), (11254, 38080), (11560, 37072), (11585, 36992), (13240, 32368), (15232, 28135), (16184, 26480), (18496, 23170), (18536, 23120), (19040, 22508), (20230, 21184)]