99979880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 305665920

約数和(自身を除く): 205686040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 121, 130, 140, 143, 154, 182, 220, 227, 242, 260, 280, 286, 308, 364, 385, 440, 454, 455, 484, 520, 572, 605, 616, 715, 728, 770, 847, 908, 910, 968, 1001, 1135, 1144, 1210, 1430, 1540, 1573, 1589, 1694, 1816, 1820, 2002, 2270, 2420, 2497, 2860, 2951, 3080, 3146, 3178, 3388, 3640, 4004, 4235, 4540, 4840, 4994, 5005, 5720, 5902, 6292, 6356, 6776, 7865, 7945, 8008, 8470, 9080, 9988, 10010, 11011, 11804, 12485, 12584, 12712, 14755, 15730, 15890, 16940, 17479, 19976, 20020, 20657, 22022, 23608, 24970, 27467, 29510, 31460, 31780, 32461, 33880, 34958, 40040, 41314, 44044, 49940, 54934, 55055, 59020, 62920, 63560, 64922, 69916, 82628, 87395, 88088, 99880, 103285, 109868, 110110, 118040, 129844, 137335, 139832, 162305, 165256, 174790, 192269, 206570, 219736, 220220, 227227, 259688, 274670, 324610, 349580, 357071, 384538, 413140, 440440, 454454, 549340, 649220, 699160, 714142, 769076, 826280, 908908, 961345, 1098680, 1136135, 1298440, 1428284, 1538152, 1785355, 1817816, 1922690, 2272270, 2499497, 2856568, 3570710, 3845380, 4544540, 4998994, 7141420, 7690760, 9089080, 9997988, 12497485, 14282840, 19995976, 24994970, 49989940, 99979880]

約数ペア:

[(1, 99979880), (2, 49989940), (4, 24994970), (5, 19995976), (7, 14282840), (8, 12497485), (10, 9997988), (11, 9089080), (13, 7690760), (14, 7141420), (20, 4998994), (22, 4544540), (26, 3845380), (28, 3570710), (35, 2856568), (40, 2499497), (44, 2272270), (52, 1922690), (55, 1817816), (56, 1785355), (65, 1538152), (70, 1428284), (77, 1298440), (88, 1136135), (91, 1098680), (104, 961345), (110, 908908), (121, 826280), (130, 769076), (140, 714142), (143, 699160), (154, 649220), (182, 549340), (220, 454454), (227, 440440), (242, 413140), (260, 384538), (280, 357071), (286, 349580), (308, 324610), (364, 274670), (385, 259688), (440, 227227), (454, 220220), (455, 219736), (484, 206570), (520, 192269), (572, 174790), (605, 165256), (616, 162305), (715, 139832), (728, 137335), (770, 129844), (847, 118040), (908, 110110), (910, 109868), (968, 103285), (1001, 99880), (1135, 88088), (1144, 87395), (1210, 82628), (1430, 69916), (1540, 64922), (1573, 63560), (1589, 62920), (1694, 59020), (1816, 55055), (1820, 54934), (2002, 49940), (2270, 44044), (2420, 41314), (2497, 40040), (2860, 34958), (2951, 33880), (3080, 32461), (3146, 31780), (3178, 31460), (3388, 29510), (3640, 27467), (4004, 24970), (4235, 23608), (4540, 22022), (4840, 20657), (4994, 20020), (5005, 19976), (5720, 17479), (5902, 16940), (6292, 15890), (6356, 15730), (6776, 14755), (7865, 12712), (7945, 12584), (8008, 12485), (8470, 11804), (9080, 11011), (9988, 10010)]