1381697860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1261

約数の個数: 96

約数和(自身を含む): 3211488000

約数和(自身を除く): 1829790140

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 149, 190, 230, 298, 380, 437, 460, 596, 745, 874, 1061, 1490, 1748, 2122, 2185, 2831, 2980, 3427, 4244, 4370, 5305, 5662, 6854, 8740, 10610, 11324, 13708, 14155, 17135, 20159, 21220, 24403, 28310, 34270, 40318, 48806, 56620, 65113, 68540, 80636, 97612, 100795, 122015, 130226, 158089, 201590, 244030, 260452, 316178, 325565, 403180, 463657, 488060, 632356, 651130, 790445, 927314, 1302260, 1580890, 1854628, 2318285, 3003691, 3161780, 3636047, 4636570, 6007382, 7272094, 9273140, 12014764, 14544188, 15018455, 18180235, 30036910, 36360470, 60073820, 69084893, 72720940, 138169786, 276339572, 345424465, 690848930, 1381697860]

約数ペア:

[(1, 1381697860), (2, 690848930), (4, 345424465), (5, 276339572), (10, 138169786), (19, 72720940), (20, 69084893), (23, 60073820), (38, 36360470), (46, 30036910), (76, 18180235), (92, 15018455), (95, 14544188), (115, 12014764), (149, 9273140), (190, 7272094), (230, 6007382), (298, 4636570), (380, 3636047), (437, 3161780), (460, 3003691), (596, 2318285), (745, 1854628), (874, 1580890), (1061, 1302260), (1490, 927314), (1748, 790445), (2122, 651130), (2185, 632356), (2831, 488060), (2980, 463657), (3427, 403180), (4244, 325565), (4370, 316178), (5305, 260452), (5662, 244030), (6854, 201590), (8740, 158089), (10610, 130226), (11324, 122015), (13708, 100795), (14155, 97612), (17135, 80636), (20159, 68540), (21220, 65113), (24403, 56620), (28310, 48806), (34270, 40318)]