99697750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 199180800

約数和(自身を除く): 99483050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 139, 151, 190, 250, 278, 302, 475, 695, 755, 950, 1390, 1510, 2375, 2641, 2869, 3475, 3775, 4750, 5282, 5738, 6950, 7550, 13205, 14345, 17375, 18875, 20989, 26410, 28690, 34750, 37750, 41978, 66025, 71725, 104945, 132050, 143450, 209890, 330125, 358625, 398791, 524725, 660250, 717250, 797582, 1049450, 1993955, 2623625, 3987910, 5247250, 9969775, 19939550, 49848875, 99697750]

約数ペア:

[(1, 99697750), (2, 49848875), (5, 19939550), (10, 9969775), (19, 5247250), (25, 3987910), (38, 2623625), (50, 1993955), (95, 1049450), (125, 797582), (139, 717250), (151, 660250), (190, 524725), (250, 398791), (278, 358625), (302, 330125), (475, 209890), (695, 143450), (755, 132050), (950, 104945), (1390, 71725), (1510, 66025), (2375, 41978), (2641, 37750), (2869, 34750), (3475, 28690), (3775, 26410), (4750, 20989), (5282, 18875), (5738, 17375), (6950, 14345), (7550, 13205)]