199886960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27457}}^1$

素因数の和:27490

約数の個数: 80

約数和(自身を含む): 572005056

約数和(自身を除く): 372118096

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 27457, 54914, 109828, 137285, 192199, 219656, 274570, 356941, 384398, 439312, 549140, 713882, 768796, 960995, 1098280, 1427764, 1537592, 1784705, 1921990, 2196560, 2498587, 2855528, 3075184, 3569410, 3843980, 4997174, 5711056, 7138820, 7687960, 9994348, 12492935, 14277640, 15375920, 19988696, 24985870, 28555280, 39977392, 49971740, 99943480, 199886960]

約数ペア:

[(1, 199886960), (2, 99943480), (4, 49971740), (5, 39977392), (7, 28555280), (8, 24985870), (10, 19988696), (13, 15375920), (14, 14277640), (16, 12492935), (20, 9994348), (26, 7687960), (28, 7138820), (35, 5711056), (40, 4997174), (52, 3843980), (56, 3569410), (65, 3075184), (70, 2855528), (80, 2498587), (91, 2196560), (104, 1921990), (112, 1784705), (130, 1537592), (140, 1427764), (182, 1098280), (208, 960995), (260, 768796), (280, 713882), (364, 549140), (455, 439312), (520, 384398), (560, 356941), (728, 274570), (910, 219656), (1040, 192199), (1456, 137285), (1820, 109828), (3640, 54914), (7280, 27457)]