420193180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{983}}^1$

素因数の和:1099

約数の個数: 96

約数和(自身を含む): 1011709440

約数和(自身を除く): 591516260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 67, 110, 116, 134, 145, 220, 268, 290, 319, 335, 580, 638, 670, 737, 983, 1276, 1340, 1474, 1595, 1943, 1966, 2948, 3190, 3685, 3886, 3932, 4915, 6380, 7370, 7772, 9715, 9830, 10813, 14740, 19430, 19660, 21373, 21626, 28507, 38860, 42746, 43252, 54065, 57014, 65861, 85492, 106865, 108130, 114028, 131722, 142535, 213730, 216260, 263444, 285070, 313577, 329305, 427460, 570140, 627154, 658610, 724471, 1254308, 1317220, 1448942, 1567885, 1909969, 2897884, 3135770, 3622355, 3819938, 6271540, 7244710, 7639876, 9549845, 14489420, 19099690, 21009659, 38199380, 42019318, 84038636, 105048295, 210096590, 420193180]

約数ペア:

[(1, 420193180), (2, 210096590), (4, 105048295), (5, 84038636), (10, 42019318), (11, 38199380), (20, 21009659), (22, 19099690), (29, 14489420), (44, 9549845), (55, 7639876), (58, 7244710), (67, 6271540), (110, 3819938), (116, 3622355), (134, 3135770), (145, 2897884), (220, 1909969), (268, 1567885), (290, 1448942), (319, 1317220), (335, 1254308), (580, 724471), (638, 658610), (670, 627154), (737, 570140), (983, 427460), (1276, 329305), (1340, 313577), (1474, 285070), (1595, 263444), (1943, 216260), (1966, 213730), (2948, 142535), (3190, 131722), (3685, 114028), (3886, 108130), (3932, 106865), (4915, 85492), (6380, 65861), (7370, 57014), (7772, 54065), (9715, 43252), (9830, 42746), (10813, 38860), (14740, 28507), (19430, 21626), (19660, 21373)]