387352980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{307423}}^1$

素因数の和:307445

約数の個数: 72

約数和(自身を含む): 1342828032

約数和(自身を除く): 955475052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 307423, 614846, 922269, 1229692, 1537115, 1844538, 2151961, 2766807, 3074230, 3689076, 4303922, 4611345, 5533614, 6148460, 6455883, 8607844, 9222690, 10759805, 11067228, 12911766, 13834035, 18445380, 19367649, 21519610, 25823532, 27668070, 32279415, 38735298, 43039220, 55336140, 64558830, 77470596, 96838245, 129117660, 193676490, 387352980]

約数ペア:

[(1, 387352980), (2, 193676490), (3, 129117660), (4, 96838245), (5, 77470596), (6, 64558830), (7, 55336140), (9, 43039220), (10, 38735298), (12, 32279415), (14, 27668070), (15, 25823532), (18, 21519610), (20, 19367649), (21, 18445380), (28, 13834035), (30, 12911766), (35, 11067228), (36, 10759805), (42, 9222690), (45, 8607844), (60, 6455883), (63, 6148460), (70, 5533614), (84, 4611345), (90, 4303922), (105, 3689076), (126, 3074230), (140, 2766807), (180, 2151961), (210, 1844538), (252, 1537115), (315, 1229692), (420, 922269), (630, 614846), (1260, 307423)]